Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2017	Oct. 01, 2016	Oct. 03, 2015
Statement of Comprehensive Income [Abstract]
Net earnings attributable to Moog and noncontrolling interest	$ 140,410	$ 123,633	$ 131,883
Other Comprehensive Income (Loss), Net of Tax
Foreign currency translation adjustment	27,460	(37,838)	(82,042)
Retirement liability adjustment	69,229	(54,184)	(51,926)
Change in accumulated income (loss) on derivatives	2,881	(1,304)	(929)
Other comprehensive income (loss), net of tax	99,570	(93,326)	(134,897)
Comprehensive income (loss)	239,980	30,307	(3,014)
Comprehensive income (loss) attributable to noncontrolling interest	(870)	(3,112)	0
Comprehensive income (loss) attributable to Moog	$ 240,850	$ 33,419	$ (3,014)