CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2018
CASH FLOWS FROM OPERATING ACTIVITIES - CONTINUING OPERATIONS:
Net income	$ 53,429	$ 37,287	$ 125,678
Net (income) loss from discontinued operations	0	8,335	(92,423)
Adjustments to reconcile net income to net cash provided by operating activities of continuing operations:
Depreciation and amortization	62,409	61,848	55,803
Stock-based compensation	17,580	15,914	19,610
Asset impairment charges - restructuring	4,692	0	0
Provision for losses on accounts receivable	1,332	535	96
Amortization of deferred financing costs and debt discounts	3,661	5,393	5,219
Loss from debt extinguishment	7,925	0	0
Deferred income tax	2,095	(2,222)	(17,633)
(Gain)/ loss on sale/disposal of assets and investments	(287)	(179)	290
Change in assets and liabilities, net of assets and liabilities acquired:
(Increase) decrease in accounts receivable and contract assets	(62,366)	8,279	2,681
(Increase) decrease in inventories	34,080	(24,938)	(52,122)
Increase in prepaid and other assets	(13,582)	(4,285)	(2,285)
Increase in accounts payable, accrued liabilities and income taxes payable	25,044	7,638	11,078
Other changes, net	1,017	353	2,200
Net cash provided by operating activities - continuing operations	137,029	113,958	58,192
CASH FLOWS FROM INVESTING ACTIVITIES - CONTINUING OPERATIONS:
Acquisition of property, plant and equipment	(48,998)	(45,361)	(50,138)
Acquired business, net of cash acquired	(10,531)	(9,219)	(430,932)
Investment purchases	(130)	(149)	0
Proceeds (payments) from sale of business	0	(9,500)	474,727
Insurance proceeds (payments)	0	(10,604)	8,254
Proceeds from sale of property, plant and equipment	352	280	663
Net cash provided by (used in) investing activities - continuing operations	(59,307)	(74,553)	2,574
CASH FLOWS FROM FINANCING ACTIVITIES - CONTINUING OPERATIONS:
Proceeds from issuance of common stock	178,165	0	0
Dividends paid	(14,529)	(13,676)	(49,797)
Purchase of shares for treasury	(7,479)	(1,478)	(45,605)
Proceeds from long-term debt	1,240,080	201,748	443,058
Payments of long-term debt	(1,308,915)	(218,248)	(300,993)
Change in short-term borrowings	0	(366)	144
Financing costs	(17,384)	(1,090)	(7,793)
Contingent consideration for acquired businesses	(1,733)	(1,686)	0
Other, net	(15)	(180)	51
Net cash provided by (used) in financing activities - continuing operations	68,190	(34,976)	39,065
CASH FLOWS FROM DISCONTINUED OPERATIONS:
Net cash used in operating activities	(3,021)	(2,123)	(45,624)
Net cash provided by (used in) investing activities	444	0	(10,762)
Net cash used in financing activities	0	0	(22,541)
Net cash used in discontinued operations	(2,577)	(2,123)	(78,927)
Effect of exchange rate changes on cash and equivalents	2,377	313	1,173
NET INCREASE IN CASH AND EQUIVALENTS	145,712	2,619	22,077
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD	72,377	69,758	47,681
CASH AND EQUIVALENTS AT END OF PERIOD	218,089	72,377	69,758
Supplemental Disclosure of Cash Flow Information:
Cash paid for interest	63,139	63,334	59,793
Cash paid for taxes	$ 21,016	$ 25,339	$ 32,140