CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 4,513	$ (15,681)
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Depreciation and amortization	31,836	29,378
Fair value write-up of acquired inventory sold	0	15,152
Stock-based compensation	4,908	4,647
Provision for losses on accounts receivable	611	709
Amortization/write-off of deferred financing costs and debt discounts	3,021	3,677
Loss from debt extinguishment, net	0	26,164
Deferred income taxes	(807)	(2,539)
(Gain) loss on sale/disposal of assets	29	(380)
Change in assets and liabilities, net of assets and liabilities acquired:
Increase in accounts receivable and contract costs and recognized income not yet billed	(14,648)	(37,789)
Increase in inventories	(17,003)	(14,705)
Decrease in prepaid and other assets	905	2,575
Decrease in accounts payable, accrued liabilities and income taxes payable	(19,482)	(44,114)
Other changes, net	3,909	(2,793)
Net cash used in operating activities	(2,208)	(35,699)
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property, plant and equipment	(40,205)	(41,737)
Acquired business, net of cash acquired	(22,432)	(855)
Change in funds restricted for capital projects	0	3,875
Change in equipment lease deposits	0	(351)
Proceeds from sale of assets	195	1,333
Net cash used in investing activities	(62,442)	(37,735)
CASH FLOWS FROM FINANCING ACTIVITIES:
Dividend	(2,374)	0
Purchase of shares for treasury	(2,350)	0
Proceeds from issuance of long-term debt	4,000	637,737
Payments of long-term debt	(10,398)	(498,771)
Change in short-term borrowings	(3,331)	2,022
Financing costs	(4)	(21,239)
Purchase of ESOP shares	0	(8,310)
Exercise of stock options	0	20
Tax effect from exercise/vesting of equity awards, net	834	23
Other, net	(29)	(94)
Net cash provided by (used in) financing activities	(13,652)	111,388
CASH FLOWS FROM DISCONTINUED OPERATIONS:
Net cash used in operating activities	(764)	(561)
Net cash used in discontinued operations	(764)	(561)
Effect of exchange rate changes on cash and equivalents	916	1,142
NET INCREASE (DECREASE) IN CASH AND EQUIVALENTS	(78,150)	38,535
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD	243,029	169,802
CASH AND EQUIVALENTS AT END OF PERIOD	$ 164,879	$ 208,337