Consolidated Condensed Statements of Shareholders' Equity Statement - 9 months ended Jul. 01, 2017 - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Treasury Stock At Cost	Stock Employee Compensation Trust (SECT)	Supplemental Retirement Plan (SERP) Trust	Accumulated Other Comprehensive Loss	Class A Common Stock	Class A Common Stock Treasury Stock At Cost	Class A Common Stock Stock Employee Compensation Trust (SECT)	Class B Common Stock	Class B Common Stock Treasury Stock At Cost	Class B Common Stock Stock Employee Compensation Trust (SECT)	Class B Common Stock Supplemental Retirement Plan (SERP) Trust
Beginning of period, Amount at Oct. 01, 2016	$ 988,411	$ 51,280	$ 465,762	$ 1,706,539	$ (741,700)	$ (49,463)	$ (8,946)	$ (435,061)
Increase (Decrease) in Stockholders' Equity
Issuance of shares			(5,867)		8,002
Equity-based compensation expense			4,151
Redemption of noncontrolling interest			3,125
Adjustment to market - SECT, SERP and other			12,541
Net earnings attributable to Moog	102,678			102,678
Class A and B shares purchased					(5,714)
Issuance of shares						867
Purchase of shares - SECT	(12,162)					(12,162)
Adjustment to market						(10,687)	(1,854)
Other comprehensive income (loss)	24,433							24,433
End of period, Amount at Jul. 01, 2017	1,107,924	$ 51,280	$ 479,712	$ 1,809,217	$ (739,412)	$ (71,445)	$ (10,800)	$ (410,628)
Beginning of period - Common Stock at Oct. 01, 2016									43,666,801			7,612,912
Increase (Decrease) in Stockholders' Equity
Conversion of Class B to Class A									28,317			(28,317)
End of period - Common Stock at Jul. 01, 2017									43,695,118			7,584,595
Beginning of period, Shares at Oct. 01, 2016										(11,110,087)	(425,148)		(3,323,926)	(404,919)	(150,000)
Increase (Decrease) in Stockholders' Equity
Class A and B shares issued related to equity awards, shares										197,461			6,696
Class A and B shares purchased, shares										(67,974)			(17,190)
Issuance of shares, shares											0			15,000
Purchase of shares - SECT											0			(178,882)
End of period, Shares at Jul. 01, 2017										(10,980,600)	(425,148)		(3,334,420)	(568,801)	(150,000)
Beginning of period at Oct. 01, 2016	5,651
Increase (Decrease) in Stockholders' Equity
Net loss attributable to redeemable noncontrolling interest	(870)
Acquisition of noncontrolling interest	(4,781)
End of period at Jul. 01, 2017	$ 0
Increase (Decrease) in Stockholders' Equity
Common stock outstanding, shares									32,289,370			3,531,374