CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 121,269	$ 17,309
Net (income) from discontinued operations	(96,487)	(8,315)
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	26,271	24,135
Stock-based compensation	4,920	4,795
Provision (recovery) for losses on accounts receivable	(201)	4
Amortization of debt discounts and issuance costs	2,754	2,879
Deferred income taxes	(23,136)	(3,859)
Gain on sale of assets and investments	0	(79)
Change in assets and liabilities, net of assets and liabilities acquired:
Increase in accounts receivable and contract costs and recognized income not yet billed	(16,631)	(16,444)
Increase in inventories	(48,295)	(9,549)
(Increase) decrease in prepaid and other assets	10,867	(715)
Decrease in accounts payable, accrued liabilities and income taxes payable	(21,021)	(25,222)
Other changes, net	844	834
Net cash provided by (used in) operating activities - continuing operations	(38,846)	(14,227)
CASH FLOWS FROM INVESTING ACTIVITIES - CONTINUING OPERATIONS:
Acquisition of property, plant and equipment	(21,628)	(15,538)
Acquired businesses, net of cash acquired	(246,230)	(6,051)
Proceeds from sale of business	473,977	0
Proceeds from sale of assets	454	102
Net cash provided by (used in) investing activities - continuing operations	206,573	(21,487)
CASH FLOWS FROM FINANCING ACTIVITIES - CONTINUING OPERATIONS:
Dividends paid	(5,872)	(5,137)
Purchase of shares for treasury	(32,861)	(15,758)
Proceeds from long-term debt	347,898	195,655
Payments of long-term debt	(229,941)	(120,166)
Share premium payment on settled debt	0	(24,997)
Financing costs	(7,451)	(335)
Purchase of ESOP shares	0	(9,213)
Other, net	126	(187)
Net cash provided by (used in) financing activities - continuing operations	71,899	19,862
CASH FLOWS FROM DISCONTINUED OPERATIONS:
Net cash provided by (used in) operating activities	(15,080)	22,260
Net cash used in investing activities	(10,762)	(26,937)
Net cash used in financing activities	(22,541)	(3,586)
Net cash provided by (used in) discontinued operations	(48,383)	(8,263)
Effect of exchange rate changes on cash and equivalents	(2,468)	(1,013)
NET INCREASE (DECREASE) IN CASH AND EQUIVALENTS	188,775	(25,128)
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD	47,681	72,553
CASH AND EQUIVALENTS AT END OF PERIOD	$ 236,456	$ 47,425