Consolidated Statements Of Earnings - USD ($) $ in Thousands	12 Months Ended
	Sep. 29, 2018	Sep. 30, 2017	Oct. 01, 2016
Income Statement [Abstract]
Net sales	$ 2,709,468	$ 2,497,524	$ 2,411,937
Cost of sales	1,924,283	1,766,002	1,700,354
Inventory write-down - restructuring	12,198	0	0
Gross profit	772,987	731,522	711,583
Research and development	130,186	144,646	147,336
Selling, general and administrative	393,759	356,141	339,961
Interest	36,238	34,551	34,605
Restructuring	28,794	0	15,393
Goodwill impairment	0	0	4,800
Other	173	14,473	(3,372)
Earnings before income taxes	183,837	181,711	172,860
Income taxes	87,209	41,301	49,227
Net earnings attributable to Moog and noncontrolling interest	96,628	140,410	123,633
Net earnings (loss) attributable to noncontrolling interest	121	(870)	(3,112)
Net earnings attributable to Moog	$ 96,507	$ 141,280	$ 126,745
Net earnings per share attributable to Moog
Basic	$ 2.71	$ 3.94	$ 3.49
Diluted	2.68	3.90	3.47
Dividends declared per share	$ 0.50	$ 0	$ 0
Average common shares outstanding
Basic	35,661,638	35,852,448	36,277,445
Diluted	36,052,307	36,230,043	36,529,344