CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ (261)	$ 4,513
Depreciation and amortization	35,038	31,836
Stock-based compensation	6,298	4,908
Fixed asset impairment charges - restructuring	3,122
Provision for losses on accounts receivable	440	611
Amortization/write-off of deferred financing costs and debt discounts	3,102	3,021
Deferred income taxes	(592)	(807)
(Gain) loss on sale/disposal of assets	(801)	29
Change in assets and liabilities, net of assets and liabilities acquired:
Increase in accounts receivable and contract costs and recognized income not yet billed	(87,531)	(14,648)
(Increase) decrease in inventories	90	(17,003)
Decrease in prepaid and other assets	411	905
Increase (decrease) in accounts payable, accrued liabilities and income taxes payable	7,080	(19,482)
Other changes, net	(379)	3,909
Net cash used in operating activities	(33,983)	(2,208)
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property, plant and equipment	(30,995)	(40,205)
Acquired business, net of cash acquired	0	(22,432)
Proceeds from sale of assets	1,216	195
Net cash used in investing activities	(29,779)	(62,442)
CASH FLOWS FROM FINANCING ACTIVITIES:
Dividends paid	(2,938)	(2,374)
Purchase of shares for treasury	(22,109)	(2,350)
Proceeds from issuance of long-term debt	303	4,000
Payments of long-term debt	(5,400)	(10,398)
Change in short-term borrowings	2,157	(3,331)
Financing costs	(759)	(4)
Tax effect from exercise/vesting of equity awards, net	150	834
Other, net	242	(29)
Net cash used in financing activities	(28,354)	(13,652)
CASH FLOWS FROM DISCONTINUED OPERATIONS:
Net cash used in operating activities	(478)	(764)
Net cash used in discontinued operations	(478)	(764)
Effect of exchange rate changes on cash and equivalents	(138)	916
NET DECREASE IN CASH AND EQUIVALENTS	(92,732)	(78,150)
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD	209,654	243,029
CASH AND EQUIVALENTS AT END OF PERIOD	$ 116,922	$ 164,879