Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2017	Oct. 01, 2016	Oct. 03, 2015
CASH FLOWS FROM OPERATING ACTIVITIES
Net earnings attributable to Moog and noncontrolling interest	$ 140,410	$ 123,633	$ 131,883
Adjustments to reconcile net earnings to net cash provided (used) by operating activities:
Depreciation	71,363	77,407	78,610
Amortization	18,804	21,325	24,999
Deferred income taxes	10,758	4,248	12,991
Equity-based compensation expense	4,582	3,271	5,074
Other	17,898	13,440	7,826
Changes in assets and liabilities providing (using) cash:
Receivables	(44,558)	1,672	60,616
Inventories	(5,999)	12,644	3,821
Accounts payable	25,740	(21,821)	8,107
Customer advances	(7,054)	2,903	24,112
Accrued expenses	16,901	(727)	(6,525)
Accrued income taxes	(4,686)	4,481	(9,986)
Net pension and post retirement liabilities	(29,029)	(29,708)	(15,048)
Other assets and liabilities	2,650	3,086	8,066
Net cash provided by operating activities	217,780	215,854	334,546
CASH FLOWS FROM INVESTING ACTIVITIES
Acquisitions of businesses, net of cash acquired	(40,545)	(11,016)	0
Purchase of property, plant and equipment	(75,798)	(67,208)	(80,693)
Other investing transactions	6,733	1,256	13,095
Net cash (used) by investing activities	(109,610)	(76,968)	(67,598)
CASH FLOWS FROM FINANCING ACTIVITIES
Net short-term repayments	(1,280)	0	(3,570)
Proceeds from revolving lines of credit	255,622	324,670	428,130
Payments on revolving lines of credit	(305,512)	(409,670)	(518,130)
Proceeds from long-term debt	0	20,000	0
Payments on long-term debt	(168)	(10,098)	(5,259)
Proceeds from senior notes, net of issuance costs	0	0	294,430
Proceeds from sale of treasury stock	3,797	4,574	11,436
Purchase of outstanding shares for treasury	(8,643)	(44,933)	(363,848)
Proceeds from sale of stock held by SECT	867	28,048	7,395
Purchase of stock held by SECT	(18,685)	(28,799)	(15,151)
Purchase of stock held by SERP Trust	0	(2,300)	(7,328)
Excess tax benefits from equity-based payment arrangements	0	598	5,996
Other financing transactions	(1,656)	(1,950)	(100)
Net cash (used) by financing activities	(75,658)	(119,860)	(165,999)
Effect of exchange rate changes on cash	10,433	(3,751)	(22,388)
Increase in cash and cash equivalents	42,945	15,275	78,561
Cash and cash equivalents at beginning of year	325,128	309,853	231,292
Cash and cash equivalents at end of year	368,073	325,128	309,853
SUPPLEMENTAL CASH FLOW INFORMATION
Interest paid	33,801	34,150	23,718
Income taxes, net of refunds	44,205	41,517	39,890
Unsecured notes issued for acquisitions	$ 0	$ 1,280	$ 0