Condensed Consolidating Financial Statements of Guarantors (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Cash flows from operating activities:
Cash provided by operating activities of continuing operations			$ 213,035	$ 136,060
Cash provided by operating activities of discontinued operation				1,797
Net cash provided by operating activities			213,035	137,857
Cash flows from investing activities:
Purchase of property, plant and equipment	(33,162)	(19,891)	(96,854)	(41,557)
Proceeds from sale of building			7,548
Cash paid for acquisitions, net of cash acquired			(82,472)
Cash used in investing activities of continuing operations			(171,778)	(41,557)
Cash used in investing activities of discontinued operations				(18)
Net cash used in investing activities			(171,778)	(41,575)
Cash flows from financing activities:
Principal payments under long-term debt agreements			(442)	(229,375)
Proceeds from stock options exercised				15
Proceeds from borrowings under the revolver			80,000
Paydowns of debt under the revolver			(80,000)
Payments for financing fees			(7,387)
Dividends paid			(216,926)
Cash used in financing activities of continuing operations			(224,755)	(229,360)
Net cash used in financing activities			(224,755)	(229,360)
Effect of exchange rate changes on cash and cash equivalents			(4,254)	(1,653)
Net decrease in cash and cash equivalents			(187,752)	(134,731)
Change in cash for discontinued operations				465
Cash and cash equivalents at beginning of period			315,136	393,335
Cash and cash equivalents at end of period	127,384	259,069	127,384	259,069
Parent Company
Cash flows from operating activities:
Cash provided by operating activities of continuing operations				60,979
Net cash provided by operating activities			168,442	60,979
Cash flows from investing activities:
Purchase of property, plant and equipment			(36,172)	(16,902)
Proceeds from sale of building			7,548
Cash paid for acquisitions, net of cash acquired			(77,936)
Cash used in investing activities of continuing operations				(16,902)
Net cash used in investing activities			(106,560)	(16,902)
Cash flows from financing activities:
Principal payments under long-term debt agreements				(229,375)
Proceeds from stock options exercised				15
Proceeds from borrowings under the revolver			80,000
Paydowns of debt under the revolver			(80,000)
Payments for financing fees			(7,387)
Dividends paid			(216,926)
Cash used in financing activities of continuing operations				(229,360)
Net cash used in financing activities			(224,313)	(229,360)
Net decrease in cash and cash equivalents			(162,431)	(185,283)
Cash and cash equivalents at beginning of period			183,661	261,098
Cash and cash equivalents at end of period	21,230	75,815	21,230	75,815
Guarantor Subsidiaries
Cash flows from operating activities:
Cash provided by operating activities of continuing operations				7,886
Net cash provided by operating activities			29,082	7,886
Cash flows from investing activities:
Purchase of property, plant and equipment			(37,062)	(10,106)
Cash paid for acquisitions, net of cash acquired			(4,536)
Cash used in investing activities of continuing operations				(10,106)
Net cash used in investing activities			(41,598)	(10,106)
Cash flows from financing activities:
Principal payments under long-term debt agreements			(442)
Net cash used in financing activities			(442)
Net decrease in cash and cash equivalents			(12,958)	(2,220)
Cash and cash equivalents at beginning of period			14,589	3,288
Cash and cash equivalents at end of period	1,631	1,068	1,631	1,068
Non-Guarantor Subsidiaries
Cash flows from operating activities:
Cash provided by operating activities of continuing operations				67,195
Cash provided by operating activities of discontinued operation				1,797
Net cash provided by operating activities			15,511	68,992
Cash flows from investing activities:
Purchase of property, plant and equipment			(23,620)	(14,549)
Cash used in investing activities of continuing operations				(14,549)
Cash used in investing activities of discontinued operations				(18)
Net cash used in investing activities			(23,620)	(14,567)
Cash flows from financing activities:
Effect of exchange rate changes on cash and cash equivalents			(4,254)	(1,653)
Net decrease in cash and cash equivalents			(12,363)	52,772
Change in cash for discontinued operations				465
Cash and cash equivalents at beginning of period			116,886	128,949
Cash and cash equivalents at end of period	$ 104,523	$ 182,186	$ 104,523	$ 182,186