3.20.1 html 409 598 1 true 111 0 false 5 false false R1.htm 00090 - Document - Cover Sheet http://imetrix.edgar-online.com/role/DocumentCover Cover Cover 1 false false R2.htm 00100 - Statement - CONSOLIDATED STATEMENTS OF EARNINGS (LOSS) Sheet http://imetrix.edgar-online.com/role/StatementConsolidatedStatementsOfEarningsLoss CONSOLIDATED STATEMENTS OF EARNINGS (LOSS) Statements 2 false false R3.htm 00200 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) Sheet http://imetrix.edgar-online.com/role/StatementConsolidatedStatementsOfComprehensiveIncomeLoss CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) Statements 3 false false R4.htm 00205 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Parenthetical) Sheet http://imetrix.edgar-online.com/role/StatementConsolidatedStatementsOfComprehensiveIncomeLossParenthetical CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Parenthetical) Statements 4 false false R5.htm 00300 - Statement - CONSOLIDATED BALANCE SHEETS Sheet http://imetrix.edgar-online.com/role/StatementConsolidatedBalanceSheets CONSOLIDATED BALANCE SHEETS Statements 5 false false R6.htm 00305 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) Sheet http://imetrix.edgar-online.com/role/StatementConsolidatedBalanceSheetsParenthetical CONSOLIDATED BALANCE SHEETS (Parenthetical) Statements 6 false false R7.htm 00400 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOW Sheet http://imetrix.edgar-online.com/role/StatementConsolidatedStatementsOfCashFlow CONSOLIDATED STATEMENTS OF CASH FLOW Statements 7 false false R8.htm 00500 - Statement - CONSOLIDATED STATEMENTS OF EQUITY Sheet http://imetrix.edgar-online.com/role/StatementConsolidatedStatementsOfEquity CONSOLIDATED STATEMENTS OF EQUITY Statements 8 false false R9.htm 10101 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Sheet http://imetrix.edgar-online.com/role/DisclosureSummaryOfSignificantAccountingPolicies SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Notes 9 false false R10.htm 10201 - Disclosure - ACQUISITIONS Sheet http://imetrix.edgar-online.com/role/DisclosureAcquisitions ACQUISITIONS Notes 10 false false R11.htm 10301 - Disclosure - REVENUE Sheet http://imetrix.edgar-online.com/role/DisclosureRevenue REVENUE Notes 11 false false R12.htm 10401 - Disclosure - DISCONTINUED OPERATIONS Sheet http://imetrix.edgar-online.com/role/DisclosureDiscontinuedOperations DISCONTINUED OPERATIONS Notes 12 false false R13.htm 10501 - Disclosure - RESTRUCTURING COSTS Sheet http://imetrix.edgar-online.com/role/DisclosureRestructuringCosts RESTRUCTURING COSTS Notes 13 false false R14.htm 10601 - Disclosure - GOODWILL AND OTHER INTANGIBLES Sheet http://imetrix.edgar-online.com/role/DisclosureGoodwillAndOtherIntangibles GOODWILL AND OTHER INTANGIBLES Notes 14 false false R15.htm 10701 - Disclosure - DEBT Sheet http://imetrix.edgar-online.com/role/DisclosureDebt DEBT Notes 15 false false R16.htm 10801 - Disclosure - LEASES Sheet http://imetrix.edgar-online.com/role/DisclosureLeases LEASES Notes 16 false false R17.htm 10901 - Disclosure - PENSION PLANS Sheet http://imetrix.edgar-online.com/role/DisclosurePensionPlans PENSION PLANS Notes 17 false false R18.htm 11001 - Disclosure - MULTIEMPLOYER PENSION PLANS Sheet http://imetrix.edgar-online.com/role/DisclosureMultiemployerPensionPlans MULTIEMPLOYER PENSION PLANS Notes 18 false false R19.htm 11101 - Disclosure - INCOME TAXES Sheet http://imetrix.edgar-online.com/role/DisclosureIncomeTaxes INCOME TAXES Notes 19 false false R20.htm 11201 - Disclosure - OTHER FINANCIAL INFORMATION Sheet http://imetrix.edgar-online.com/role/DisclosureOtherFinancialInformation OTHER FINANCIAL INFORMATION Notes 20 false false R21.htm 11301 - Disclosure - RELATED PARTY TRANSACTIONS Sheet http://imetrix.edgar-online.com/role/DisclosureRelatedPartyTransactions RELATED PARTY TRANSACTIONS Notes 21 false false R22.htm 11401 - Disclosure - FINANCIAL INSTRUMENTS Sheet http://imetrix.edgar-online.com/role/DisclosureFinancialInstruments FINANCIAL INSTRUMENTS Notes 22 false false R23.htm 11501 - Disclosure - OTHER DEDUCTIONS, NET Sheet http://imetrix.edgar-online.com/role/DisclosureOtherDeductionsNet OTHER DEDUCTIONS, NET Notes 23 false false R24.htm 11601 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) Sheet http://imetrix.edgar-online.com/role/DisclosureAccumulatedOtherComprehensiveIncomeLoss ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) Notes 24 false false R25.htm 11701 - Disclosure - SEGMENT INFORMATION Sheet http://imetrix.edgar-online.com/role/DisclosureSegmentInformation SEGMENT INFORMATION Notes 25 false false R26.htm 11801 - Disclosure - EQUITY Sheet http://imetrix.edgar-online.com/role/DisclosureEquity EQUITY Notes 26 false false R27.htm 11901 - Disclosure - COMMITMENTS AND CONTINGENCIES Sheet http://imetrix.edgar-online.com/role/DisclosureCommitmentsAndContingencies COMMITMENTS AND CONTINGENCIES Notes 27 false false R28.htm 12001 - Disclosure - SUBSEQUENT EVENTS Sheet http://imetrix.edgar-online.com/role/DisclosureSubsequentEvents SUBSEQUENT EVENTS Notes 28 false false R29.htm 20202 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) Sheet http://imetrix.edgar-online.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) Policies 29 false false R30.htm 30103 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) Sheet http://imetrix.edgar-online.com/role/DisclosureSummaryOfSignificantAccountingPoliciesTables SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) Tables http://imetrix.edgar-online.com/role/DisclosureSummaryOfSignificantAccountingPolicies 30 false false R31.htm 30203 - Disclosure - ACQUISITIONS (Tables) Sheet http://imetrix.edgar-online.com/role/DisclosureAcquisitionsTables ACQUISITIONS (Tables) Tables http://imetrix.edgar-online.com/role/DisclosureAcquisitions 31 false false R32.htm 30303 - Disclosure - REVENUE (Tables) Sheet http://imetrix.edgar-online.com/role/DisclosureRevenueTables REVENUE (Tables) Tables http://imetrix.edgar-online.com/role/DisclosureRevenue 32 false false R33.htm 30403 - Disclosure - DISCONTINUED OPERATIONS (Tables) Sheet http://imetrix.edgar-online.com/role/DisclosureDiscontinuedOperationsTables DISCONTINUED OPERATIONS (Tables) Tables http://imetrix.edgar-online.com/role/DisclosureDiscontinuedOperations 33 false false R34.htm 30503 - Disclosure - RESTRUCTURING COSTS (Tables) Sheet http://imetrix.edgar-online.com/role/DisclosureRestructuringCostsTables RESTRUCTURING COSTS (Tables) Tables http://imetrix.edgar-online.com/role/DisclosureRestructuringCosts 34 false false R35.htm 30603 - Disclosure - GOODWILL AND OTHER INTANGIBLES (Tables) Sheet http://imetrix.edgar-online.com/role/DisclosureGoodwillAndOtherIntangiblesTables GOODWILL AND OTHER INTANGIBLES (Tables) Tables http://imetrix.edgar-online.com/role/DisclosureGoodwillAndOtherIntangibles 35 false false R36.htm 30703 - Disclosure - DEBT (Tables) Sheet http://imetrix.edgar-online.com/role/DisclosureDebtTables DEBT (Tables) Tables http://imetrix.edgar-online.com/role/DisclosureDebt 36 false false R37.htm 30803 - Disclosure - LEASES (Tables) Sheet http://imetrix.edgar-online.com/role/DisclosureLeasesTables LEASES (Tables) Tables http://imetrix.edgar-online.com/role/DisclosureLeases 37 false false R38.htm 30903 - Disclosure - PENSION PLANS (Tables) Sheet http://imetrix.edgar-online.com/role/DisclosurePensionPlansTables PENSION PLANS (Tables) Tables http://imetrix.edgar-online.com/role/DisclosurePensionPlans 38 false false R39.htm 31103 - Disclosure - INCOME TAXES (Tables) Sheet http://imetrix.edgar-online.com/role/DisclosureIncomeTaxesTables INCOME TAXES (Tables) Tables http://imetrix.edgar-online.com/role/DisclosureIncomeTaxes 39 false false R40.htm 31203 - Disclosure - OTHER FINANCIAL INFORMATION (Tables) Sheet http://imetrix.edgar-online.com/role/DisclosureOtherFinancialInformationTables OTHER FINANCIAL INFORMATION (Tables) Tables http://imetrix.edgar-online.com/role/DisclosureOtherFinancialInformation 40 false false R41.htm 31303 - Disclosure - RELATED PARTY TRANSACTIONS (Tables) Sheet http://imetrix.edgar-online.com/role/DisclosureRelatedPartyTransactionsTables RELATED PARTY TRANSACTIONS (Tables) Tables http://imetrix.edgar-online.com/role/DisclosureRelatedPartyTransactions 41 false false R42.htm 31403 - Disclosure - FINANCIAL INSTRUMENTS (Tables) Sheet http://imetrix.edgar-online.com/role/DisclosureFinancialInstrumentsTables FINANCIAL INSTRUMENTS (Tables) Tables http://imetrix.edgar-online.com/role/DisclosureFinancialInstruments 42 false false R43.htm 31503 - Disclosure - OTHER DEDUCTIONS, NET (Tables) Sheet http://imetrix.edgar-online.com/role/DisclosureOtherDeductionsNetTables OTHER DEDUCTIONS, NET (Tables) Tables http://imetrix.edgar-online.com/role/DisclosureOtherDeductionsNet 43 false false R44.htm 31603 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables) Sheet http://imetrix.edgar-online.com/role/DisclosureAccumulatedOtherComprehensiveIncomeLossTables ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables) Tables http://imetrix.edgar-online.com/role/DisclosureAccumulatedOtherComprehensiveIncomeLoss 44 false false R45.htm 31703 - Disclosure - SEGMENT INFORMATION (Tables) Sheet http://imetrix.edgar-online.com/role/DisclosureSegmentInformationTables SEGMENT INFORMATION (Tables) Tables http://imetrix.edgar-online.com/role/DisclosureSegmentInformation 45 false false R46.htm 40101 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Cash, cash equivalents and restricted cash (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureSummaryOfSignificantAccountingPoliciesCashCashEquivalentsAndRestrictedCashDetails SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Cash, cash equivalents and restricted cash (Details) Details 46 false false R47.htm 40102 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Inventory (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureSummaryOfSignificantAccountingPoliciesInventoryDetails SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Inventory (Details) Details 47 false false R48.htm 40103 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Property, plant and equipment (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPropertyPlantAndEquipmentDetails SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Property, plant and equipment (Details) Details 48 false false R49.htm 40104 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Product Warranties (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureSummaryOfSignificantAccountingPoliciesProductWarrantiesDetails SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Product Warranties (Details) Details 49 false false R50.htm 40105 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details) Details 50 false false R51.htm 40201 - Disclosure - ACQUISITIONS - Acquisition of Geist (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureAcquisitionsAcquisitionOfGeistDetails ACQUISITIONS - Acquisition of Geist (Details) Details 51 false false R52.htm 40202 - Disclosure - ACQUISITIONS - Acquisition of Energy Labs, Inc (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureAcquisitionsAcquisitionOfEnergyLabsIncDetails ACQUISITIONS - Acquisition of Energy Labs, Inc (Details) Details 52 false false R53.htm 40301 - Disclosure - REVENUE (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureRevenueDetails REVENUE (Details) Details http://imetrix.edgar-online.com/role/DisclosureRevenueTables 53 false false R54.htm 40401 - Disclosure - DISCONTINUED OPERATIONS (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureDiscontinuedOperationsDetails DISCONTINUED OPERATIONS (Details) Details http://imetrix.edgar-online.com/role/DisclosureDiscontinuedOperationsTables 54 false false R55.htm 40402 - Disclosure - DISCONTINUED OPERATIONS - Gain on disposition (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureDiscontinuedOperationsGainOnDispositionDetails DISCONTINUED OPERATIONS - Gain on disposition (Details) Details 55 false false R56.htm 40403 - Disclosure - DISCONTINUED OPERATIONS - depreciation, amortization and capitalized expenditures (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureDiscontinuedOperationsDepreciationAmortizationAndCapitalizedExpendituresDetails DISCONTINUED OPERATIONS - depreciation, amortization and capitalized expenditures (Details) Details 56 false false R57.htm 40501 - Disclosure - RESTRUCTURING COSTS (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureRestructuringCostsDetails RESTRUCTURING COSTS (Details) Details http://imetrix.edgar-online.com/role/DisclosureRestructuringCostsTables 57 false false R58.htm 40502 - Disclosure - RESTRUCTURING COSTS - Restructuring expenses by business segment (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureRestructuringCostsRestructuringExpensesByBusinessSegmentDetails RESTRUCTURING COSTS - Restructuring expenses by business segment (Details) Details 58 false false R59.htm 40601 - Disclosure - GOODWILL AND OTHER INTANGIBLES - Changes in goodwill (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureGoodwillAndOtherIntangiblesChangesInGoodwillDetails GOODWILL AND OTHER INTANGIBLES - Changes in goodwill (Details) Details 59 false false R60.htm 40602 - Disclosure - GOODWILL AND OTHER INTANGIBLES - Identifiable Intangible assets (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureGoodwillAndOtherIntangiblesIdentifiableIntangibleAssetsDetails GOODWILL AND OTHER INTANGIBLES - Identifiable Intangible assets (Details) Details 60 false false R61.htm 40603 - Disclosure - GOODWILL AND OTHER INTANGIBLES - Additional information (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureGoodwillAndOtherIntangiblesAdditionalInformationDetails GOODWILL AND OTHER INTANGIBLES - Additional information (Details) Details 61 false false R62.htm 40701 - Disclosure - DEBT (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureDebtDetails DEBT (Details) Details http://imetrix.edgar-online.com/role/DisclosureDebtTables 62 false false R63.htm 40702 - Disclosure - DEBT - Contractual maturities of debt obligation (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureDebtContractualMaturitiesOfDebtObligationDetails DEBT - Contractual maturities of debt obligation (Details) Details 63 false false R64.htm 40703 - Disclosure - DEBT - Term loan (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureDebtTermLoanDetails DEBT - Term loan (Details) Details 64 false false R65.htm 40801 - Disclosure - LEASES (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureLeasesDetails LEASES (Details) Details http://imetrix.edgar-online.com/role/DisclosureLeasesTables 65 false false R66.htm 40802 - Disclosure - LEASES - Maturities of lease liabilities (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureLeasesMaturitiesOfLeaseLiabilitiesDetails LEASES - Maturities of lease liabilities (Details) Details 66 false false R67.htm 40901 - Disclosure - PENSION PLANS - Retirement plans expense (Details) Sheet http://imetrix.edgar-online.com/role/DisclosurePensionPlansRetirementPlansExpenseDetails PENSION PLANS - Retirement plans expense (Details) Details 67 false false R68.htm 40902 - Disclosure - PENSION PLANS - Projected benefit obligation and fair value of plan assets for defined benefit pension plans (Details) Sheet http://imetrix.edgar-online.com/role/DisclosurePensionPlansProjectedBenefitObligationAndFairValueOfPlanAssetsForDefinedBenefitPensionPlansDetails PENSION PLANS - Projected benefit obligation and fair value of plan assets for defined benefit pension plans (Details) Details 68 false false R69.htm 40903 - Disclosure - PENSION PLANS - Future benefit payments (Details) Sheet http://imetrix.edgar-online.com/role/DisclosurePensionPlansFutureBenefitPaymentsDetails PENSION PLANS - Future benefit payments (Details) Details 69 false false R70.htm 40904 - Disclosure - PENSION PLANS - Weighted-average assumptions (Details) Sheet http://imetrix.edgar-online.com/role/DisclosurePensionPlansWeightedAverageAssumptionsDetails PENSION PLANS - Weighted-average assumptions (Details) Details 70 false false R71.htm 40905 - Disclosure - PENSION PLANS - Plan asset allocations (Details) Sheet http://imetrix.edgar-online.com/role/DisclosurePensionPlansPlanAssetAllocationsDetails PENSION PLANS - Plan asset allocations (Details) Details 71 false false R72.htm 40906 - Disclosure - PENSION PLANS - Fair values of defined benefit plan assets (Details) Sheet http://imetrix.edgar-online.com/role/DisclosurePensionPlansFairValuesOfDefinedBenefitPlanAssetsDetails PENSION PLANS - Fair values of defined benefit plan assets (Details) Details 72 false false R73.htm 40907 - Disclosure - PENSION PLANS - Changes in value for Level 3 assets (Details) Sheet http://imetrix.edgar-online.com/role/DisclosurePensionPlansChangesInValueForLevel3AssetsDetails PENSION PLANS - Changes in value for Level 3 assets (Details) Details 73 false false R74.htm 41001 - Disclosure - MULTIEMPLOYER PENSION PLANS (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureMultiemployerPensionPlansDetails MULTIEMPLOYER PENSION PLANS (Details) Details http://imetrix.edgar-online.com/role/DisclosureMultiemployerPensionPlans 74 false false R75.htm 41101 - Disclosure - INCOME TAXES (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureIncomeTaxesDetails INCOME TAXES (Details) Details http://imetrix.edgar-online.com/role/DisclosureIncomeTaxesTables 75 false false R76.htm 41102 - Disclosure - INCOME TAXES - Earnings (loss) before income taxes from continuing operations (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureIncomeTaxesEarningsLossBeforeIncomeTaxesFromContinuingOperationsDetails INCOME TAXES - Earnings (loss) before income taxes from continuing operations (Details) Details 76 false false R77.htm 41103 - Disclosure - INCOME TAXES - Principal components of income tax expense (benefit) from continuing operations (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureIncomeTaxesPrincipalComponentsOfIncomeTaxExpenseBenefitFromContinuingOperationsDetails INCOME TAXES - Principal components of income tax expense (benefit) from continuing operations (Details) Details 77 false false R78.htm 41104 - Disclosure - INCOME TAXES - Reconciliation of U.S. federal statutory taxes to the Company's total income tax expense (benefit) from continuing operations (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureIncomeTaxesReconciliationOfUsFederalStatutoryTaxesToCompanySTotalIncomeTaxExpenseBenefitFromContinuingOperationsDetails INCOME TAXES - Reconciliation of U.S. federal statutory taxes to the Company's total income tax expense (benefit) from continuing operations (Details) Details 78 false false R79.htm 41105 - Disclosure - INCOME TAXES - Deferred income tax assets and liabilities (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureIncomeTaxesDeferredIncomeTaxAssetsAndLiabilitiesDetails INCOME TAXES - Deferred income tax assets and liabilities (Details) Details 79 false false R80.htm 41106 - Disclosure - INCOME TAXES - Loss carryforwards (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureIncomeTaxesLossCarryforwardsDetails INCOME TAXES - Loss carryforwards (Details) Details 80 false false R81.htm 41107 - Disclosure - INCOME TAXES - Unrecognized tax benefits (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureIncomeTaxesUnrecognizedTaxBenefitsDetails INCOME TAXES - Unrecognized tax benefits (Details) Details 81 false false R82.htm 41201 - Disclosure - OTHER FINANCIAL INFORMATION - Items reported in earnings (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureOtherFinancialInformationItemsReportedInEarningsDetails OTHER FINANCIAL INFORMATION - Items reported in earnings (Details) Details 82 false false R83.htm 41202 - Disclosure - OTHER FINANCIAL INFORMATION - Items reported in accrued expenses (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureOtherFinancialInformationItemsReportedInAccruedExpensesDetails OTHER FINANCIAL INFORMATION - Items reported in accrued expenses (Details) Details 83 false false R84.htm 41203 - Disclosure - OTHER FINANCIAL INFORMATION - Allowances (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureOtherFinancialInformationAllowancesDetails OTHER FINANCIAL INFORMATION - Allowances (Details) Details 84 false false R85.htm 41301 - Disclosure - RELATED PARTY TRANSACTIONS (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureRelatedPartyTransactionsDetails RELATED PARTY TRANSACTIONS (Details) Details http://imetrix.edgar-online.com/role/DisclosureRelatedPartyTransactionsTables 85 false false R86.htm 41302 - Disclosure - RELATED PARTY TRANSACTIONS - Other transactions (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureRelatedPartyTransactionsOtherTransactionsDetails RELATED PARTY TRANSACTIONS - Other transactions (Details) Details 86 false false R87.htm 41401 - Disclosure - FINANCIAL INSTRUMENTS (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureFinancialInstrumentsDetails FINANCIAL INSTRUMENTS (Details) Details http://imetrix.edgar-online.com/role/DisclosureFinancialInstrumentsTables 87 false false R88.htm 41501 - Disclosure - OTHER DEDUCTIONS, NET (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureOtherDeductionsNetDetails OTHER DEDUCTIONS, NET (Details) Details http://imetrix.edgar-online.com/role/DisclosureOtherDeductionsNetTables 88 false false R89.htm 41601 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureAccumulatedOtherComprehensiveIncomeLossDetails ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) Details http://imetrix.edgar-online.com/role/DisclosureAccumulatedOtherComprehensiveIncomeLossTables 89 false false R90.htm 41701 - Disclosure - SEGMENT INFORMATION - Business Segments (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureSegmentInformationBusinessSegmentsDetails SEGMENT INFORMATION - Business Segments (Details) Details 90 false false R91.htm 41702 - Disclosure - SEGMENT INFORMATION - Earnings (loss) from Continuing Operations before income taxes (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureSegmentInformationEarningsLossFromContinuingOperationsBeforeIncomeTaxesDetails SEGMENT INFORMATION - Earnings (loss) from Continuing Operations before income taxes (Details) Details 91 false false R92.htm 41703 - Disclosure - SEGMENT INFORMATION - Total Assets (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureSegmentInformationTotalAssetsDetails SEGMENT INFORMATION - Total Assets (Details) Details 92 false false R93.htm 41704 - Disclosure - SEGMENT INFORMATION - Intersegment sales (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureSegmentInformationIntersegmentSalesDetails SEGMENT INFORMATION - Intersegment sales (Details) Details 93 false false R94.htm 41705 - Disclosure - SEGMENT INFORMATION - Depreciation and Amortization (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureSegmentInformationDepreciationAndAmortizationDetails SEGMENT INFORMATION - Depreciation and Amortization (Details) Details 94 false false R95.htm 41706 - Disclosure - SEGMENT INFORMATION - Capital Expenditures (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureSegmentInformationCapitalExpendituresDetails SEGMENT INFORMATION - Capital Expenditures (Details) Details 95 false false R96.htm 41707 - Disclosure - SEGMENT INFORMATION - Geographic information (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureSegmentInformationGeographicInformationDetails SEGMENT INFORMATION - Geographic information (Details) Details 96 false false R97.htm 41708 - Disclosure - SEGMENT INFORMATION - Sales by Product and Service Offering (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureSegmentInformationSalesByProductAndServiceOfferingDetails SEGMENT INFORMATION - Sales by Product and Service Offering (Details) Details 97 false false R98.htm 41801 - Disclosure - EQUITY (Detail) Sheet http://imetrix.edgar-online.com/role/DisclosureEquityDetail EQUITY (Detail) Details http://imetrix.edgar-online.com/role/DisclosureEquity 98 false false R99.htm 41901 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureCommitmentsAndContingenciesDetails COMMITMENTS AND CONTINGENCIES (Details) Details http://imetrix.edgar-online.com/role/DisclosureCommitmentsAndContingencies 99 false false R100.htm 42001 - Disclosure - SUBSEQUENT EVENTS - Merger (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureSubsequentEventsMergerDetails SUBSEQUENT EVENTS - Merger (Details) Details 100 false false R101.htm 42002 - Disclosure - SUBSEQUENT EVENTS - Refinancing (Details) Sheet http://imetrix.edgar-online.com/role/DisclosureSubsequentEventsRefinancingDetails SUBSEQUENT EVENTS - Refinancing (Details) Details 101 false false All Reports Book All Reports gsah-20191231.xml gsah-20191231.xsd gsah-20191231_cal.xml gsah-20191231_def.xml gsah-20191231_lab.xml gsah-20191231_pre.xml http://fasb.org/us-gaap/2019-01-31 http://xbrl.sec.gov/country/2017-01-31 http://xbrl.sec.gov/dei/2019-01-31 http://fasb.org/srt/2019-01-31 true true