Condensed Consolidating Statements of Cash Flows (Details) - USD ($)
$ in Thousands |
9 Months Ended |
May 31, 2016 |
May 31, 2015 |
| Operating Activities |
|
|
| Cash provided by operating activities |
$ 74,991
|
$ 43,624
|
| Investing Activities |
|
|
| Capital expenditures |
(15,623)
|
(17,234)
|
| Proceeds from sale of property, plant and equipment |
8,635
|
886
|
| Business acquisitions, net of cash acquired |
(80,674)
|
0
|
| Intercompany Investment |
0
|
0
|
| Cash used in investing activities |
(87,662)
|
(16,348)
|
| Financing Activities |
|
|
| Purchase of treasury shares |
(14,125)
|
(204,627)
|
| Taxes paid related to the net share settlement of equity awards |
(1,344)
|
(2,344)
|
| Stock option exercises, related tax benefits and other |
5,729
|
5,046
|
| Payments of Debt Issuance Costs |
0
|
(1,875)
|
| Cash dividend |
(2,376)
|
(2,598)
|
| Intercompany Loan Activity |
0
|
0
|
| Intercompany Capital Contribution |
0
|
0
|
| Cash (used in) provided by financing activities |
(12,326)
|
3,602
|
| Effect of exchange rate changes on cash |
(6,760)
|
(31,765)
|
| Net decrease in cash and cash equivalents |
(31,757)
|
(887)
|
| Cash and cash equivalents – beginning of period |
168,846
|
109,012
|
| Cash and cash equivalents – end of period |
137,089
|
108,125
|
| Line of Credit | Senior Credit Facility - Revolver |
|
|
| Financing Activities |
|
|
| Net borrowings (repayment) on debt |
(210)
|
0
|
| Line of Credit | Senior Credit Facility - Term Loan |
|
|
| Financing Activities |
|
|
| Net borrowings (repayment) on debt |
0
|
(3,375)
|
| Proceeds from Long-term Lines of Credit |
0
|
213,375
|
| Parent |
|
|
| Operating Activities |
|
|
| Cash provided by operating activities |
15,329
|
38,854
|
| Investing Activities |
|
|
| Capital expenditures |
(1,237)
|
(880)
|
| Proceeds from sale of property, plant and equipment |
13
|
0
|
| Business acquisitions, net of cash acquired |
0
|
|
| Intercompany Investment |
(339)
|
(1,117)
|
| Cash used in investing activities |
(1,563)
|
(1,997)
|
| Financing Activities |
|
|
| Purchase of treasury shares |
(14,125)
|
(204,627)
|
| Taxes paid related to the net share settlement of equity awards |
(1,344)
|
(2,344)
|
| Stock option exercises, related tax benefits and other |
5,729
|
5,046
|
| Payments of Debt Issuance Costs |
|
(1,875)
|
| Cash dividend |
(2,376)
|
(2,598)
|
| Intercompany Loan Activity |
12,139
|
58,569
|
| Intercompany Capital Contribution |
0
|
0
|
| Cash (used in) provided by financing activities |
(24,255)
|
(54,967)
|
| Effect of exchange rate changes on cash |
0
|
0
|
| Net decrease in cash and cash equivalents |
(10,489)
|
(18,110)
|
| Cash and cash equivalents – beginning of period |
18,688
|
27,931
|
| Cash and cash equivalents – end of period |
8,199
|
9,821
|
| Parent | Line of Credit | Senior Credit Facility - Revolver |
|
|
| Financing Activities |
|
|
| Net borrowings (repayment) on debt |
0
|
|
| Parent | Line of Credit | Senior Credit Facility - Term Loan |
|
|
| Financing Activities |
|
|
| Net borrowings (repayment) on debt |
|
(3,375)
|
| Proceeds from Long-term Lines of Credit |
|
213,375
|
| Guarantors |
|
|
| Operating Activities |
|
|
| Cash provided by operating activities |
5,017
|
(39,865)
|
| Investing Activities |
|
|
| Capital expenditures |
(3,091)
|
(3,495)
|
| Proceeds from sale of property, plant and equipment |
3,337
|
203
|
| Business acquisitions, net of cash acquired |
0
|
|
| Intercompany Investment |
(6,125)
|
0
|
| Cash used in investing activities |
(5,879)
|
(3,292)
|
| Financing Activities |
|
|
| Purchase of treasury shares |
0
|
0
|
| Taxes paid related to the net share settlement of equity awards |
0
|
0
|
| Stock option exercises, related tax benefits and other |
0
|
0
|
| Payments of Debt Issuance Costs |
|
0
|
| Cash dividend |
0
|
0
|
| Intercompany Loan Activity |
0
|
(40,796)
|
| Intercompany Capital Contribution |
339
|
0
|
| Cash (used in) provided by financing activities |
339
|
40,796
|
| Effect of exchange rate changes on cash |
0
|
0
|
| Net decrease in cash and cash equivalents |
(523)
|
(2,361)
|
| Cash and cash equivalents – beginning of period |
523
|
3,325
|
| Cash and cash equivalents – end of period |
0
|
964
|
| Guarantors | Line of Credit | Senior Credit Facility - Revolver |
|
|
| Financing Activities |
|
|
| Net borrowings (repayment) on debt |
0
|
|
| Guarantors | Line of Credit | Senior Credit Facility - Term Loan |
|
|
| Financing Activities |
|
|
| Net borrowings (repayment) on debt |
|
0
|
| Proceeds from Long-term Lines of Credit |
|
0
|
| Non-Guarantors |
|
|
| Operating Activities |
|
|
| Cash provided by operating activities |
54,645
|
44,635
|
| Investing Activities |
|
|
| Capital expenditures |
(11,295)
|
(12,859)
|
| Proceeds from sale of property, plant and equipment |
5,285
|
683
|
| Business acquisitions, net of cash acquired |
(80,674)
|
|
| Intercompany Investment |
0
|
0
|
| Cash used in investing activities |
(86,684)
|
(12,176)
|
| Financing Activities |
|
|
| Purchase of treasury shares |
0
|
0
|
| Taxes paid related to the net share settlement of equity awards |
0
|
0
|
| Stock option exercises, related tax benefits and other |
0
|
0
|
| Payments of Debt Issuance Costs |
|
0
|
| Cash dividend |
0
|
0
|
| Intercompany Loan Activity |
(12,139)
|
(17,773)
|
| Intercompany Capital Contribution |
6,125
|
1,117
|
| Cash (used in) provided by financing activities |
18,054
|
18,890
|
| Effect of exchange rate changes on cash |
(6,760)
|
(31,765)
|
| Net decrease in cash and cash equivalents |
(20,745)
|
19,584
|
| Cash and cash equivalents – beginning of period |
149,635
|
77,756
|
| Cash and cash equivalents – end of period |
128,890
|
97,340
|
| Non-Guarantors | Line of Credit | Senior Credit Facility - Revolver |
|
|
| Financing Activities |
|
|
| Net borrowings (repayment) on debt |
(210)
|
|
| Non-Guarantors | Line of Credit | Senior Credit Facility - Term Loan |
|
|
| Financing Activities |
|
|
| Net borrowings (repayment) on debt |
|
0
|
| Proceeds from Long-term Lines of Credit |
|
0
|
| Eliminations |
|
|
| Operating Activities |
|
|
| Cash provided by operating activities |
0
|
0
|
| Investing Activities |
|
|
| Capital expenditures |
0
|
0
|
| Proceeds from sale of property, plant and equipment |
0
|
0
|
| Business acquisitions, net of cash acquired |
0
|
|
| Intercompany Investment |
6,464
|
1,117
|
| Cash used in investing activities |
6,464
|
1,117
|
| Financing Activities |
|
|
| Purchase of treasury shares |
0
|
0
|
| Taxes paid related to the net share settlement of equity awards |
0
|
0
|
| Stock option exercises, related tax benefits and other |
0
|
0
|
| Payments of Debt Issuance Costs |
|
0
|
| Cash dividend |
0
|
0
|
| Intercompany Loan Activity |
0
|
0
|
| Intercompany Capital Contribution |
(6,464)
|
(1,117)
|
| Cash (used in) provided by financing activities |
(6,464)
|
(1,117)
|
| Effect of exchange rate changes on cash |
0
|
0
|
| Net decrease in cash and cash equivalents |
0
|
0
|
| Cash and cash equivalents – beginning of period |
0
|
0
|
| Cash and cash equivalents – end of period |
0
|
0
|
| Eliminations | Line of Credit | Senior Credit Facility - Revolver |
|
|
| Financing Activities |
|
|
| Net borrowings (repayment) on debt |
$ 0
|
|
| Eliminations | Line of Credit | Senior Credit Facility - Term Loan |
|
|
| Financing Activities |
|
|
| Net borrowings (repayment) on debt |
|
0
|
| Proceeds from Long-term Lines of Credit |
|
$ 0
|