CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Operating Activities:
Net income	$ 18,388	$ 26,774	$ 58,117	$ 70,961
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	6,417	5,843	18,014	17,140
Share-based compensation expense	1,575		1,634
Changes in operating assets and liabilities	22,761	(31,524)	(84,595)	(126,916)
NET CASH PROVIDED BY (USED IN) OPERATING ACTIVITIES	49,141	1,093	(6,830)	(38,815)
Investing Activities:
Acquisition of businesses, net of cash acquired	(7,377)		(60,649)
Purchases of property, plant and equipment	(2,348)	(3,094)	(6,209)	(13,244)
Purchases of marketable securities	(4,054)		(4,054)
Proceeds from sales or maturities of marketable securities		7,895		25,829
NET CASH PROVIDED BY (USED IN) INVESTING ACTIVITIES	(13,779)	4,801	(70,912)	12,585
Financing Activities:
Proceeds from short-term borrowings			70,000
Principal payments on short-term borrowings	(25,000)		(70,000)
Proceeds from long-term borrowings	50,000		100,000
Principal payments on long-term debt	(134)	(137)	(8,407)	(4,411)
Dividends paid			(3,208)	(3,208)
Net change in restricted cash	(20)		(104)	(68,584)
Contingent consideration payments related to acquisitions of businessess	(224)		(224)
NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES	24,622	(137)	88,057	(76,203)
Effect of exchange rates on cash	3,862	(5,394)	(10,131)	4,414
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	63,846	363	184	(98,019)
Cash and cash equivalents at the beginning of the period	148,605	230,766	212,267	329,148
CASH AND CASH EQUIVALENTS AT THE END OF THE PERIOD	212,451	231,129	212,451	231,129
Supplemental disclosure of non-cash investing and financing activities:
Liability incurred to acquire NEK, net			$ 12,108