Reportable Segments - Schedule of Reportable Segments Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 04, 2020	Mar. 30, 2019	Apr. 04, 2020	Mar. 30, 2019	Sep. 28, 2019
Net sales	$ 767,364	$ 789,051	$ 1,619,773	$ 1,554,595
Operating income (loss):	17,209	33,174	57,143	70,125
Interest expense	(3,814)	(3,145)	(7,946)	(5,394)
Interest income	533	440	1,178	965
Miscellaneous, net	154	(1,773)	(2,019)	(2,885)
Income before income taxes	14,082	28,696	48,356	62,811
Total assets	2,095,198		2,095,198		$ 2,000,883
Elimination of inter-segment sales
Net sales	(28,938)	(29,702)	(65,624)	(68,435)
Corporate
Operating income (loss):	(32,410)	(29,627)	(66,837)	(59,933)
Corporate and eliminations
Total assets	81,781		81,781		80,608
AMER | Operating Segments
Net sales	334,454	364,490	687,930	718,357
Operating income (loss):	289	14,230	12,586	28,680
Total assets	796,760		796,760		751,990
APAC | Operating Segments
Net sales	387,845	378,441	838,987	756,553
Operating income (loss):	49,874	48,704	112,252	100,515
Total assets	974,617		974,617		958,744
EMEA | Operating Segments
Net sales	74,003	75,822	158,480	148,120
Operating income (loss):	(544)	$ (133)	(858)	$ 863
Total assets	$ 242,040		$ 242,040		$ 209,541