CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income from continuing operations	$ 30,989	$ 12,264
Net (income) loss from discontinued operations	(8,158)	(5,220)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	12,958	11,988
Stock-based compensation	2,555	2,452
Provision (recovery) for losses on accounts receivable	(220)	112
Amortization of debt discounts and issuance costs	1,243	1,892
Deferred income taxes	(23,186)	(196)
Gain on sale of assets and investments	209	0
Change in assets and liabilities, net of assets and liabilities acquired:
Decrease in accounts receivable and contract costs and recognized income not yet billed	38,909	18,667
Increase in inventories	(28,073)	(13,663)
Increase in prepaid and other assets	(8,459)	(2,127)
Decrease in accounts payable, accrued liabilities and income taxes payable	(24,973)	(27,423)
Other changes, net	552	1,536
Net cash provided by (used in) operating activities	(5,654)	282
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property, plant and equipment	(10,785)	(7,690)
Acquired businesses, net of cash acquired	(198,683)	(6,051)
Proceeds from sale of assets	439	86
Net cash used in investing activities	(209,029)	(13,655)
CASH FLOWS FROM FINANCING ACTIVITIES:
Dividends paid	(2,990)	(2,499)
Purchase of shares for treasury	(4,332)	(15,073)
Proceeds from long-term debt	326,094	39,056
Payments of long-term debt	(52,973)	(7,295)
Change in short-term borrowings	35	0
Financing costs	(7,392)	(172)
Purchase of ESOP shares	0	(9,213)
Other, net	84	(349)
Net cash provided by financing activities	258,526	4,455
CASH FLOWS FROM DISCONTINUED OPERATIONS:
Net cash used in (provided by) operating activities	1,261	6,841
Net cash used in investing activities	(8,076)	(14,756)
Net cash used in (provided by) financing activities	396	(2,234)
Net cash used in discontinued operations	(6,419)	(10,149)
Effect of exchange rate changes on cash and equivalents	(685)	(1,217)
NET INCREASE (DECREASE) IN CASH AND EQUIVALENTS	36,739	(20,284)
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD	47,681	72,553
CASH AND EQUIVALENTS AT END OF PERIOD	$ 84,420	$ 52,269