Consolidated Condensed Statements Of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Jun. 27, 2020	Jun. 29, 2019
CASH FLOWS FROM OPERATING ACTIVITIES
Net earnings (loss)	$ 87,182	$ 129,993
Adjustments to reconcile net earnings to net cash provided (used) by operating activities:
Depreciation	55,859	53,744
Amortization	9,847	10,364
Deferred income taxes	(10,766)	3,764
Equity-based compensation expense	4,661	5,130
Impairment of long-lived assets and inventory write-down	51,142	0
Other	6,831	2,550
Changes in assets and liabilities providing (using) cash:
Receivables	63,272	(47,966)
Inventories	(86,526)	(68,519)
Accounts payable	(85,136)	19,076
Contract advances	73,040	(4,670)
Accrued expenses	1,827	(410)
Accrued income taxes	(23,487)	(5,564)
Net pension and post retirement liabilities	24,706	24,386
Other assets and liabilities	15,395	7,217
Net cash provided by operating activities	187,847	129,095
CASH FLOWS FROM INVESTING ACTIVITIES
Acquisitions of businesses, net of cash acquired	(54,265)	0
Purchase of property, plant and equipment	(70,423)	(91,083)
Other investing transactions	(3,429)	2,518
Net cash used by investing activities	(128,117)	(88,565)
CASH FLOWS FROM FINANCING ACTIVITIES
Net short-term repayments	0	(3,560)
Proceeds from revolving lines of credit	977,850	570,200
Payments on revolving lines of credit	(968,459)	(604,513)
Proceeds from long-term debt	6,935	0
Payments on long-term debt	(52,253)	(255)
Proceeds from senior notes, net of issuance costs	491,769	0
Payments of senior notes	(300,000)	0
Payments on finance lease obligations	(730)	0
Payments of dividends	(17,049)	(26,156)
Proceeds from sale of treasury stock	3,199	2,443
Purchase of outstanding shares for treasury	(191,961)	(17,986)
Proceeds from sale of stock held by SECT	17,082	10,036
Purchase of stock held by SECT	(6,241)	(13,327)
Proceeds from sale of SERP stock	0	4,293
Other financing transactions	(5,879)	0
Net cash provided (used) by financing activities	(45,737)	(78,825)
Effect of exchange rate changes on cash	(932)	(366)
Increase (decrease) in cash, cash equivalents and restricted cash	13,061	(38,661)
Cash, cash equivalents and restricted cash at beginning of period	92,548	127,706
Cash, cash equivalents and restricted cash at end of period	105,609	89,045
SUPPLEMENTAL CASH FLOW INFORMATION
Treasury shares issued as compensation	9,063	11,795
Equipment acquired through financing	$ 16,192	$ 148