SUPPLEMENTAL GUARANTOR FINANCIAL INFORMATION (Cash Flows)(Details) - USD ($)
$ in Millions |
6 Months Ended |
12 Months Ended |
Jun. 30, 2017 |
Jun. 30, 2016 |
Dec. 31, 2016 |
| Supplemental Guarantor Financial Information Statements Of Cash Flows [Line Items] |
|
|
|
| Net Cash Provided by (Used in) Operating Activities |
$ 227.4
|
$ 186.2
|
|
| Payments to Acquire Property, Plant, and Equipment |
(150.9)
|
(137.4)
|
|
| Payments to Acquire Businesses, Net of Cash Acquired |
0.0
|
(69.5)
|
|
| Payments under long-term supply contract |
0.0
|
(85.0)
|
$ (175.7)
|
| Proceeds from disposition of property, plant and equipment |
0.1
|
0.4
|
|
| Proceeds from Contributions from Affiliates |
|
4.4
|
|
| Net investing activities |
(150.8)
|
(287.1)
|
|
| Proceeds from Issuance of Long-term Debt |
1,875.0
|
0.0
|
|
| Long-term debt repayments |
(1,890.1)
|
(159.0)
|
|
| Stock options exercised |
15.8
|
0.2
|
|
| Payments of Dividends |
(66.3)
|
(66.1)
|
|
| Debt issuance costs |
(11.2)
|
0.0
|
|
| Intercompany Financing Activities |
0.0
|
|
|
| Net financing activities |
(76.8)
|
(224.9)
|
|
| Effect of exchange rate changes on cash and cash equivalents |
0.2
|
0.4
|
|
| Net decrease in cash and cash equivalents |
0.0
|
(325.4)
|
|
| Cash and cash equivalents, end of period |
184.5
|
66.6
|
184.5
|
| Parent Guarantor |
|
|
|
| Supplemental Guarantor Financial Information Statements Of Cash Flows [Line Items] |
|
|
|
| Net Cash Provided by (Used in) Operating Activities |
124.4
|
305.4
|
|
| Payments to Acquire Property, Plant, and Equipment |
(43.9)
|
(26.8)
|
|
| Payments to Acquire Businesses, Net of Cash Acquired |
|
(69.5)
|
|
| Payments under long-term supply contract |
|
0.0
|
|
| Proceeds from disposition of property, plant and equipment |
0.0
|
0.2
|
|
| Proceeds from Contributions from Affiliates |
|
4.4
|
|
| Net investing activities |
(43.9)
|
(91.7)
|
|
| Proceeds from Issuance of Long-term Debt |
500.0
|
|
|
| Long-term debt repayments |
(590.4)
|
(125.2)
|
|
| Stock options exercised |
15.8
|
0.2
|
|
| Payments of Dividends |
(66.3)
|
(66.1)
|
|
| Debt issuance costs |
(8.3)
|
(118.8)
|
|
| Intercompany Financing Activities |
72.4
|
|
|
| Net financing activities |
(76.8)
|
(309.9)
|
|
| Effect of exchange rate changes on cash and cash equivalents |
0.0
|
0.0
|
|
| Net decrease in cash and cash equivalents |
3.7
|
(96.2)
|
|
| Cash and cash equivalents, end of period |
28.9
|
23.2
|
25.2
|
| Issuer |
|
|
|
| Supplemental Guarantor Financial Information Statements Of Cash Flows [Line Items] |
|
|
|
| Net Cash Provided by (Used in) Operating Activities |
0.0
|
0.0
|
|
| Payments to Acquire Property, Plant, and Equipment |
0.0
|
0.0
|
|
| Payments to Acquire Businesses, Net of Cash Acquired |
|
0.0
|
|
| Payments under long-term supply contract |
|
0.0
|
|
| Proceeds from disposition of property, plant and equipment |
0.0
|
0.0
|
|
| Proceeds from Contributions from Affiliates |
|
0.0
|
|
| Net investing activities |
0.0
|
0.0
|
|
| Proceeds from Issuance of Long-term Debt |
1,375.0
|
|
|
| Long-term debt repayments |
(1,299.7)
|
(33.8)
|
|
| Stock options exercised |
0.0
|
0.0
|
|
| Payments of Dividends |
0.0
|
0.0
|
|
| Debt issuance costs |
(2.9)
|
33.8
|
|
| Intercompany Financing Activities |
(72.4)
|
|
|
| Net financing activities |
0.0
|
0.0
|
|
| Effect of exchange rate changes on cash and cash equivalents |
0.0
|
0.0
|
|
| Net decrease in cash and cash equivalents |
0.0
|
0.0
|
|
| Cash and cash equivalents, end of period |
0.0
|
0.0
|
0.0
|
| Subsidiary Non-Guarantor |
|
|
|
| Supplemental Guarantor Financial Information Statements Of Cash Flows [Line Items] |
|
|
|
| Net Cash Provided by (Used in) Operating Activities |
103.0
|
(119.2)
|
|
| Payments to Acquire Property, Plant, and Equipment |
(107.0)
|
(110.6)
|
|
| Payments to Acquire Businesses, Net of Cash Acquired |
|
0.0
|
|
| Payments under long-term supply contract |
|
(85.0)
|
|
| Proceeds from disposition of property, plant and equipment |
0.1
|
0.2
|
|
| Proceeds from Contributions from Affiliates |
|
0.0
|
|
| Net investing activities |
(106.9)
|
(195.4)
|
|
| Proceeds from Issuance of Long-term Debt |
0.0
|
|
|
| Long-term debt repayments |
0.0
|
0.0
|
|
| Stock options exercised |
0.0
|
0.0
|
|
| Payments of Dividends |
0.0
|
0.0
|
|
| Debt issuance costs |
0.0
|
85.0
|
|
| Intercompany Financing Activities |
0.0
|
|
|
| Net financing activities |
0.0
|
85.0
|
|
| Effect of exchange rate changes on cash and cash equivalents |
0.2
|
0.4
|
|
| Net decrease in cash and cash equivalents |
(3.7)
|
(229.2)
|
|
| Cash and cash equivalents, end of period |
155.6
|
43.4
|
159.3
|
| Eliminations |
|
|
|
| Supplemental Guarantor Financial Information Statements Of Cash Flows [Line Items] |
|
|
|
| Net Cash Provided by (Used in) Operating Activities |
0.0
|
0.0
|
|
| Payments to Acquire Property, Plant, and Equipment |
0.0
|
0.0
|
|
| Payments to Acquire Businesses, Net of Cash Acquired |
|
0.0
|
|
| Payments under long-term supply contract |
|
0.0
|
|
| Proceeds from disposition of property, plant and equipment |
0.0
|
0.0
|
|
| Proceeds from Contributions from Affiliates |
|
0.0
|
|
| Net investing activities |
0.0
|
0.0
|
|
| Proceeds from Issuance of Long-term Debt |
0.0
|
|
|
| Long-term debt repayments |
0.0
|
0.0
|
|
| Stock options exercised |
0.0
|
0.0
|
|
| Payments of Dividends |
0.0
|
0.0
|
|
| Debt issuance costs |
0.0
|
0.0
|
|
| Intercompany Financing Activities |
0.0
|
|
|
| Net financing activities |
0.0
|
0.0
|
|
| Effect of exchange rate changes on cash and cash equivalents |
0.0
|
0.0
|
|
| Net decrease in cash and cash equivalents |
0.0
|
0.0
|
|
| Cash and cash equivalents, end of period |
$ 0.0
|
$ 0.0
|
$ 0.0
|