CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 3,342	$ 13,563
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	52,787	48,668
Stock-based compensation	9,327	7,599
Fixed asset impairment charges - restructuring	3,122
Provision for losses on accounts receivable	824	532
Amortization/write-off of deferred financing costs and debt discounts	4,651	4,497
Deferred income taxes	(897)	(1,185)
(Gain) loss on sale/disposal of assets	(788)	59
Change in assets and liabilities, net of assets and liabilities acquired:
(Increase) decrease in accounts receivable and contract costs and recognized income not yet billed	(81,381)	10,601
(Increase) decrease in inventories	36,588	(4,171)
(Increase) decrease in prepaid and other assets	2,890	(3,970)
Decrease in accounts payable, accrued liabilities and income taxes payable	(28,767)	(49,574)
Other changes, net	856	3,728
Net cash provided by operating activities	2,554	30,347
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property, plant and equipment	(45,886)	(57,695)
Acquired business, net of cash acquired	0	(22,432)
Proceeds from sale of assets	1,326	281
Net cash used in investing activities	(44,560)	(79,846)
CASH FLOWS FROM FINANCING ACTIVITIES:
Dividends paid	(4,384)	(3,564)
Purchase of shares for treasury	(25,689)	(5,670)
Proceeds from issuance of long-term debt	303	4,000
Payments of long-term debt	(12,842)	(14,563)
Change in short-term borrowings	2,408	(1,262)
Financing costs	(759)	(97)
Tax effect from exercise/vesting of equity awards, net	150	834
Other, net	261	67
Net cash used in financing activities	(40,552)	(20,255)
CASH FLOWS FROM DISCONTINUED OPERATIONS:
Net cash used in operating activities	(486)	(1,690)
Net cash used in discontinued operations	(486)	(1,690)
Effect of exchange rate changes on cash and equivalents	(506)	327
NET DECREASE IN CASH AND EQUIVALENTS	(83,550)	(71,117)
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD	209,654	243,029
CASH AND EQUIVALENTS AT END OF PERIOD	$ 126,104	$ 171,912