Condensed Consolidating Financial Statements of Guarantors (Details 4) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Condensed Parent Company Statement of Cash Flows
Net cash (used in) provided by operating activities	$ (40,089)	$ 39,641
Cash flows from investing activities:
Purchase of property, plant and equipment	(21,247)	(33,518)
Proceeds from sale of building		7,548
Cash paid for acquisitions, net of cash acquired		(78,089)
Net cash used in investing activities	(21,247)	(104,059)
Cash flows from financing activities:
Principal payments under long-term agreements	(132)
Proceeds from borrowings under the revolver		80,000
Paydowns of borrowings under the revolver		(10,000)
Payments for financing fees		(6,121)
Dividends paid	(21,313)	(193,956)
Net cash used in financing activities	(21,445)	(130,077)
Effect of exchange rate changes on cash	970	(53)
Net decrease in cash and cash equivalents	(81,811)	(194,548)
Cash and cash equivalents at beginning of period	198,561	315,136
Cash and cash equivalents at end of period	116,750	120,588
Parent Company
Condensed Parent Company Statement of Cash Flows
Net cash (used in) provided by operating activities	(6,378)	82,020
Cash flows from investing activities:
Purchase of property, plant and equipment	(1,127)	(10,225)
Proceeds from sale of building		7,548
Cash paid for acquisitions, net of cash acquired		(78,089)
Net cash used in investing activities	(1,127)	(80,766)
Cash flows from financing activities:
Proceeds from borrowings under the revolver		80,000
Paydowns of borrowings under the revolver		(10,000)
Payments for financing fees		(6,121)
Intercompany	(33,387)	(23,111)
Dividends paid	(21,313)	(193,956)
Net cash used in financing activities	(54,700)	(153,188)
Net decrease in cash and cash equivalents	(62,205)	(151,934)
Cash and cash equivalents at beginning of period	81,356	183,661
Cash and cash equivalents at end of period	19,151	31,727
Guarantor Subsidiaries
Condensed Parent Company Statement of Cash Flows
Net cash (used in) provided by operating activities	(54,362)	(17,526)
Cash flows from investing activities:
Purchase of property, plant and equipment	(12,388)	(17,094)
Net cash used in investing activities	(12,388)	(17,094)
Cash flows from financing activities:
Intercompany	33,387	23,111
Net cash used in financing activities	33,387	23,111
Net decrease in cash and cash equivalents	(33,363)	(11,509)
Cash and cash equivalents at beginning of period	35,357	14,589
Cash and cash equivalents at end of period	1,994	3,080
Non-Guarantor Subsidiaries
Condensed Parent Company Statement of Cash Flows
Net cash (used in) provided by operating activities	23,876	(11,991)
Cash flows from investing activities:
Purchase of property, plant and equipment	(7,732)	(6,199)
Net cash used in investing activities	(7,732)	(6,199)
Cash flows from financing activities:
Principal payments under long-term agreements	(132)
Dividends paid	(3,225)	(12,862)
Net cash used in financing activities	(3,357)	(12,862)
Effect of exchange rate changes on cash	970	(53)
Net decrease in cash and cash equivalents	13,757	(31,105)
Cash and cash equivalents at beginning of period	81,848	116,886
Cash and cash equivalents at end of period	95,605	85,781
Eliminations
Condensed Parent Company Statement of Cash Flows
Net cash (used in) provided by operating activities	(3,225)	(12,862)
Cash flows from financing activities:
Dividends paid	3,225	12,862
Net cash used in financing activities	$ 3,225	$ 12,862