CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 12,264	$ 10,788
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	18,394	17,084
Stock-based compensation	2,452	3,066
Provision for losses on accounts receivable	118	(24)
Amortization of debt discounts and issuance costs	1,915	1,671
Deferred income taxes	(196)	2,763
Gain on sale of assets and investments	(103)	(77)
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	21,459	(6,106)
Increase in inventories	(16,253)	(9,080)
(Increase) decrease in prepaid and other assets	(2,637)	316
Decrease in accounts payable, accrued liabilities and income taxes payable	(31,475)	(38,324)
Other changes, net	1,616	519
Net cash provided by (used in) operating activities	7,554	(17,404)
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property, plant and equipment	(22,478)	(25,018)
Acquired businesses, net of cash acquired	(6,051)	0
Investment in unconsolidated joint venture	0	(2,726)
Proceeds from sale of assets	118	484
Investment sales	0	715
Net cash used in investing activities	(28,411)	(26,545)
CASH FLOWS FROM FINANCING ACTIVITIES:
Dividends paid	(2,499)	(2,281)
Purchase of shares for treasury	(15,073)	(10,910)
Proceeds from long-term debt	39,056	79,874
Payments of long-term debt	(8,827)	(24,126)
Change in short-term borrowings	(702)	(147)
Financing costs	(172)	0
Other, net	(349)	203
Net cash provided by financing activities	2,221	42,613
CASH FLOWS FROM DISCONTINUED OPERATIONS:
Net cash used in operating activities	(430)	(387)
Net cash used in discontinued operations	(430)	(387)
Effect of exchange rate changes on cash and equivalents	(1,218)	(310)
NET DECREASE IN CASH AND EQUIVALENTS	(20,284)	(2,033)
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD	72,553	52,001
CASH AND EQUIVALENTS AT END OF PERIOD	$ 52,269	$ 49,968