Consolidated Condensed Statements of Earnings - USD ($) $ in Thousands	3 Months Ended
	Jan. 02, 2021	Dec. 28, 2019
Income Statement [Abstract]
Net sales	$ 683,954	$ 754,843
Cost of sales	494,311	543,586
Gross profit	189,643	211,257
Research and development	28,008	28,208
Selling, general and administrative	99,603	98,367
Interest	8,420	10,232
Other	3,241	7,546
Earnings before income taxes	50,371	66,904
Income taxes	12,529	16,877
Net earnings	$ 37,842	$ 50,027
Net earnings per share
Basic	$ 1.18	$ 1.45
Diluted	1.17	1.44
Dividends declared per share	$ 0.25	$ 0.25
Average common shares outstanding
Basic	32,074,873	34,510,851
Diluted	32,237,212	34,787,404