CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 29,500	$ 10,612
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	15,266	15,825
Stock-based compensation	4,208	3,982
Asset impairment charges - restructuring	5,794	4,160
Provision for losses on accounts receivable	93	35
Amortization of debt discounts and issuance costs	680	1,273
Deferred income taxes	442	198
Gain (loss) on sale of assets and investments	174	(186)
Gain on sale of business	(6,240)	0
Change in assets and liabilities, net of assets and liabilities acquired:
Decrease in accounts receivable and contract assets, net	10,494	2,942
Increase in inventories	(31,924)	(19,480)
Increase in prepaid and other assets	(3,517)	(2,269)
Decrease in accounts payable, accrued liabilities, income taxes payable and operating lease liabilities	(5,425)	(36,445)
Other changes, net	1,284	1,184
Net cash provided by (used in) operating activities	20,829	(18,169)
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property, plant and equipment	(11,926)	(13,172)
Acquired businesses, net of cash acquired	(2,242)	(10,531)
Proceeds from sale of business, net	15,580	0
Proceeds from the sale of property, plant and equipment	53	184
Other, net	26	0
Net cash provided by (used in) investing activities	1,491	(23,519)
CASH FLOWS FROM FINANCING ACTIVITIES:
Dividends paid	(4,422)	(3,392)
Purchase of shares for treasury	(2,909)	(1,758)
Proceeds from long-term debt	40,791	71,957
Payments of long-term debt	(42,120)	(32,045)
Financing costs	(569)	(21)
Other, net	(68)	(40)
Net cash provided by (used in) financing activities	(9,297)	34,701
CASH FLOWS FROM DISCONTINUED OPERATIONS:
Net cash used in operating activities	(752)	(606)
Net cash provided by investing activities	2,224	0
Net cash provided by (used in) discontinued operations	1,472	(606)
Effect of exchange rate changes on cash and equivalents	1,223	8
NET INCREASE (DECREASE) IN CASH AND EQUIVALENTS	15,718	(7,585)
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD	218,089	72,377
CASH AND EQUIVALENTS AT END OF PERIOD	$ 233,807	$ 64,792