CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Operating Activities:
Net income	$ 19,981	$ 92,104	$ 83,904
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	25,359	22,857	22,341
Stock-based compensation expense	3,251
Inventory write-down	2,760
Impairment of goodwill	50,865
Deferred income taxes	(7,508)	(1,486)	2,512
Changes in operating assets and liabilities, net of effects from acquisitions:
Accounts receivable	(14,588)	(118,164)	3,566
Inventories	(4,219)	(13,636)	2,442
Prepaid expenses and other current assets	3,485	7,574	5,122
Long-term capitalized contract costs	(48,645)	(26,875)
Accounts payable and other current liabilities	(27,587)	8,525	(1,547)
Customer advances	3,006	(37,999)	37,143
Income taxes	(19,027)	11,929	(23,713)
Other items, net	(409)	494	(2,676)
NET CASH PROVIDED BY (USED IN) OPERATING ACTIVITIES	(13,276)	(54,677)	129,094
Investing Activities:
Acquisition of businesses, net of cash acquired	(63,691)		(126,825)
Purchases of marketable securities	(4,050)
Proceeds from sales or maturities of short-term investments		25,829	58,252
Purchases of property, plant and equipment	(9,052)	(14,226)	(8,728)
NET CASH PROVIDED BY (USED IN) INVESTING ACTIVITIES	(76,793)	11,603	(77,301)
Financing Activities:
Proceeds from short term borrowings	70,000
Principal payments on short term borrowings	(70,000)
Proceeds from long term borrowings	100,000
Principal payments on long-term borrowings	(8,543)	(4,549)	(4,555)
Contingent consideration payments related to acquisitions of businesses	(7,842)
Net change in restricted cash	(158)	(68,584)
Dividends paid to shareholders	(6,417)	(6,417)	(7,486)
Purchases of treasury stock			(4)
NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES	77,040	(79,550)	(12,045)
Effect of exchange rates on cash	4,654	5,743	(6,034)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(8,375)	(116,881)	33,714
Cash and cash equivalents at the beginning of the year	212,267	329,148	295,434
CASH AND CASH EQUIVALENTS AT THE END OF THE YEAR	203,892	212,267	329,148
Supplemental disclosure of non-cash investing and financing activities:
Liability incurred to acquire NEK, net	$ 4,490