Consolidated Condensed Statements of Earnings - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2018	Apr. 01, 2017	Mar. 31, 2018	Apr. 01, 2017
Income Statement [Abstract]
Net sales	$ 689,049	$ 632,403	$ 1,316,584	$ 1,222,073
Cost of sales	489,071	447,323	932,497	864,487
Inventory write-down - restructuring	7,329	0	7,329	0
Gross profit	192,649	185,080	376,758	357,586
Research and development	34,085	36,950	66,505	71,514
Selling, general and administrative	99,999	87,064	195,949	172,127
Interest	9,089	8,649	17,735	17,135
Restructuring	24,058	0	24,058	0
Other	(251)	4,214	(992)	12,119
Earnings before income taxes	25,669	48,203	73,503	84,691
Income taxes	11,704	16,541	58,239	22,971
Net earnings attributable to Moog and noncontrolling interest	13,965	31,662	15,264	61,720
Net earnings (loss) attributable to noncontrolling interest	0	(364)	0	(870)
Net earnings attributable to Moog	$ 13,965	$ 32,026	$ 15,264	$ 62,590
Net earnings per share attributable to Moog
Basic	$ 0.39	$ 0.89	$ 0.43	$ 1.74
Diluted	0.39	0.88	0.42	1.73
Dividends declared per share	$ 0.25	$ 0.00	$ 0.25	$ 0.00
Average common shares outstanding
Basic	35,770,089	35,888,053	35,771,247	35,878,552
Diluted	36,179,858	36,236,838	36,190,455	36,254,802