Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Oct. 03, 2020	Sep. 28, 2019	Sep. 29, 2018
CASH FLOWS FROM OPERATING ACTIVITIES
Net earnings attributable to Moog and noncontrolling interest	$ 9,205	$ 174,548	$ 95,361
Adjustments to reconcile net earnings to net cash provided (used) by operating activities:
Depreciation	74,243	71,926	71,231
Amortization	12,729	13,334	17,341
Deferred income taxes	(40,845)	(4,598)	30,613
Equity-based compensation expense	5,661	6,464	5,804
Impairment of long-lived assets and inventory write-down	60,547	0	0
Pension settlement	121,324	0	0
Other	9,636	4,239	34,455
Changes in assets and liabilities providing (using) cash:
Receivables	111,525	(79,887)	(67,621)
Inventories	(99,015)	(96,652)	(32,451)
Accounts payable	(84,065)	52,499	35,980
Contract Advances	65,680	(14,432)	(10,998)
Accrued expenses	(3,516)	19,758	10,631
Accrued income taxes	(17,964)	3,818	4,227
Net pension and post retirement liabilities	33,305	32,529	(122,233)
Other assets and liabilities	20,727	(2,123)	30,067
Net cash provided by operating activities	279,177	181,423	102,407
CASH FLOWS FROM INVESTING ACTIVITIES
Acquisitions of businesses, net of cash acquired	(54,265)	0	(48,382)
Purchase of property, plant and equipment	(88,284)	(118,422)	(94,517)
Other investing transactions	(3,644)	2,702	1,257
Net cash (used) by investing activities	(146,193)	(115,720)	(141,642)
CASH FLOWS FROM FINANCING ACTIVITIES
Net short-term borrowings (repayments)	0	(3,653)	3,618
Proceeds from revolving lines of credit	1,151,550	971,658	568,550
Payments on revolving lines of credit	(1,187,159)	(998,726)	(678,660)
Proceeds from long-term debt	15,128	0	15,000
Payments on long-term debt	(74,470)	(411)	(25,922)
Proceeds from senior notes, net of issuance costs	491,769	0	0
Payments on senior notes	(300,000)	0	0
Payments on finance lease obligations	(1,167)	0	0
Payment of dividends	(25,210)	(34,857)	(17,889)
Proceeds from sale of treasury stock	7,014	5,268	4,560
Purchase of outstanding shares for treasury	(232,290)	(40,955)	(8,218)
Proceeds from sale of stock held by SECT	24,721	13,990	4,714
Purchase of stock held by SECT	(6,774)	(15,288)	(30,358)
Proceeds From Sale Of Stock Held By SERP	0	4,293	0
Purchase of Stock Held by SERP	0	0	(55,000)
Other financing transactions	(5,878)	0	(1,964)
Net cash (used) by financing activities	(142,766)	(98,681)	(221,569)
Effect of exchange rate changes on cash	2,306	(2,180)	1,541
Decrease in cash, cash equivalents and restricted cash	(7,476)	(35,158)	(259,263)
Cash, cash equivalents and restricted cash at beginning of year	92,548	127,706	386,969
Cash, cash equivalents and restricted cash at end of year	85,072	92,548	127,706
SUPPLEMENTAL CASH FLOW INFORMATION
Interest paid	38,420	38,864	36,689
Income taxes paid, net of refunds	59,053	36,474	34,214
Treasury shares issued as compensation	9,063	11,795	0
Equipment acquired through financing	$ 24,904	$ 216	$ 297