CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 10,612	$ 8,753
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	15,825	15,085
Stock-based compensation	3,150	2,933
Asset impairment charges - restructuring	4,160	0
Provision for losses on accounts receivable	35	158
Amortization of debt discounts and issuance costs	1,273	1,229
Deferred income taxes	198	(1,380)
Gain on sale of assets and investments	(186)	(91)
Change in assets and liabilities, net of assets and liabilities acquired:
Decrease in accounts receivable and contract costs and recognized income not yet billed	2,942	37,181
Increase in inventories	(19,480)	(33,958)
Increase in prepaid and other assets	(2,269)	(444)
Decrease in accounts payable, accrued liabilities, income taxes payable and net change to leases	(36,445)	(29,622)
Other changes, net	2,016	1,197
Net cash provided by (used in) operating activities	(18,169)	1,041
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property, plant and equipment	(13,172)	(8,397)
Acquired businesses, net of cash acquired	(10,531)	(9,219)
Proceeds from sale of assets	184	51
Net cash used in investing activities	(23,519)	(17,565)
CASH FLOWS FROM FINANCING ACTIVITIES:
Dividends paid	(3,392)	(3,143)
Purchase of shares for treasury	(1,758)	(1,348)
Proceeds from long-term debt	71,957	38,965
Payments of long-term debt	(32,045)	(4,322)
Change in short-term borrowings	0	38
Financing costs	(21)	(67)
Contingent consideration for acquired businesses	0	(1,686)
Other, net	(40)	137
Net cash provided by financing activities	34,701	28,574
CASH FLOWS FROM DISCONTINUED OPERATIONS:
Net cash used in operating activities	(606)	(458)
Net cash used in investing activities	0	0
Net cash used in financing activities	0	0
Net cash used in discontinued operations	(606)	(458)
Effect of exchange rate changes on cash and equivalents	8	402
NET INCREASE (DECREASE) IN CASH AND EQUIVALENTS	(7,585)	11,994
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD	72,377	69,758
CASH AND EQUIVALENTS AT END OF PERIOD	$ 64,792	$ 81,752