CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 8,753	$ 30,989
Net (income) from discontinued operations	0	(8,158)
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	15,085	12,958
Stock-based compensation	2,933	2,555
Provision (recovery) for losses on accounts receivable	158	(220)
Amortization of debt discounts and issuance costs	1,229	1,243
Deferred income taxes	(1,380)	(23,186)
(Gain) loss on sale of assets and investments	(91)	209
Change in assets and liabilities, net of assets and liabilities acquired:
Decrease in accounts receivable and contract costs and recognized income not yet billed	37,181	38,909
Increase in inventories	(33,958)	(28,073)
Increase in prepaid and other assets	(444)	(8,459)
Decrease in accounts payable, accrued liabilities and income taxes payable	(29,622)	(24,973)
Other changes, net	1,197	552
Net cash provided by (used in) operating activities - continuing operations	1,041	(5,654)
CASH FLOWS FROM INVESTING ACTIVITIES - CONTINUING OPERATIONS:
Acquisition of property, plant and equipment	(8,397)	(10,785)
Acquired businesses, net of cash acquired	(9,219)	(198,683)
Proceeds from sale of assets	51	439
Net cash used in investing activities - continuing operations	(17,565)	(209,029)
CASH FLOWS FROM FINANCING ACTIVITIES - CONTINUING OPERATIONS:
Dividends paid	(3,143)	(2,990)
Purchase of shares for treasury	(1,348)	(4,332)
Proceeds from long-term debt	38,965	326,094
Payments of long-term debt	(4,322)	(52,973)
Change in short-term borrowings	38	35
Financing costs	(67)	(7,392)
Contingent consideration for acquired businesses	(1,686)	0
Other, net	137	84
Net cash provided by financing activities - continuing operations	28,574	258,526
CASH FLOWS FROM DISCONTINUED OPERATIONS:
Net cash provided by (used in) operating activities	(458)	1,261
Net cash used in investing activities	0	(8,076)
Net cash provided by financing activities	0	396
Net cash used in discontinued operations	(458)	(6,419)
Effect of exchange rate changes on cash and equivalents	402	(685)
NET INCREASE IN CASH AND EQUIVALENTS	11,994	36,739
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD	69,758	47,681
CASH AND EQUIVALENTS AT END OF PERIOD	$ 81,752	$ 84,420