CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands	12 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2009
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ (7,431)	$ 9,592	$ 18,708
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Income from discontinued operations	0	(88)	(790)
Depreciation and amortization	60,712	40,442	42,346
Fair value write-up of acquired inventory sold	15,152	0	0
Stock-based compensation	8,956	5,778	4,145
Provision for losses on accounts receivable	1,225	2,431	628
Amortization/write-off of deferred financing costs and debt discounts	6,733	5,059	5,209
(Gain) loss from debt extinguishment, net	26,164	1,117	(4,488)
Deferred income taxes	(2,749)	(3,666)	(3,144)
(Gain) loss on sale/disposal of assets	(251)	74	23
Change in assets and liabilities, net of assets and liabilities acquired:
Increase in accounts receivable and contract costs and recognized income not yet billed	(30,593)	(25,481)	(6,690)
(Increase) decrease in inventories	(12,803)	(10,611)	28,498
(Increase) decrease in prepaid and other assets	9,065	(14,342)	11,130
Increase (decrease) in accounts payable, accrued liabilities and income taxes payable	(42,604)	72,144	(8,650)
Other changes, net	3,809	676	(2,825)
Net cash provided by operating activities	35,385	83,125	84,100
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property, plant and equipment	(87,617)	(40,477)	(32,697)
Acquired business, net of cash acquired	(855)	(542,000)	0
Funds restricted for capital projects	4,629	0	200
Change in equipment lease deposits	0	(1,666)	(336)
Proceeds from sale of assets	1,510	0	0
Net cash used in investing activities	(82,333)	(584,143)	(32,833)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of common stock	0	2,823	7,257
Purchase of shares for treasury	(18,139)	0	0
Proceeds from issuance of long-term debt	674,251	543,875	11,431
Payments of long-term debt	(498,572)	(176,802)	(56,676)
Change in short-term borrowings	3,538	0	(866)
Financing costs	(21,653)	(17,455)	(597)
Purchase of ESOP shares	(19,973)	0	(4,370)
Exercise of stock options/vesting of restricted stock	2,306	343	0
Tax benefit from exercise of options/vesting of restricted stock	7	325	217
Other, net	345	184	402
Net cash provided by (used in) financing activities	122,110	353,293	(43,202)
CASH FLOWS FROM DISCONTINUED OPERATIONS:
Net cash used in operating activities	(962)	(638)	(1,305)
Net cash used in discontinued operations	(962)	(638)	(1,305)
Effect of exchange rate changes on cash and equivalents	(973)	(2,668)	2,152
NET INCREASE (DECREASE) IN CASH AND EQUIVALENTS	73,227	(151,031)	8,912
CASH AND EQUIVALENTS AT BEGINNING OF YEAR	169,802	320,833	311,921
CASH AND EQUIVALENTS AT END OF YEAR	243,029	169,802	320,833
Supplemental Disclosure of Cash Flow Information:
Cash paid for interest	21,396	6,489	7,065
Cash paid for taxes	$ 10,219	$ 4,643	$ 7,602