Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 28, 2020	Mar. 30, 2019	Mar. 28, 2020	Mar. 30, 2019
Net sales	$ 1,590,550	$ 2,126,639	$ 3,430,721	$ 4,314,657
Cost of sales	1,483,129	1,973,537	3,188,418	4,012,218
Gross profit	107,421	153,102	242,303	302,439
Operating expenses:
Selling, general and administrative	62,257	64,186	125,408	127,214
Research and development	5,767	7,599	10,967	14,036
Restructuring and other	15,028	3,202	24,378	5,531
Total operating expenses	83,052	74,987	160,753	146,781
Operating income	24,369	78,115	81,550	155,658
Interest income	418	364	728	558
Interest expense	(6,040)	(8,472)	(11,917)	(16,743)
Other expense, net	(7,660)	(891)	(6,342)	(6,885)
Interest and other, net	(13,282)	(8,999)	(17,531)	(23,070)
Income before income taxes	11,087	69,116	64,019	132,588
Provision for income taxes	6,205	28,231	20,792	53,751
Net income	$ 4,882	$ 40,885	$ 43,227	$ 78,837
Net income per share:
Basic	$ 0.07	$ 0.59	$ 0.61	$ 1.15
Diluted	$ 0.07	$ 0.57	$ 0.60	$ 1.11
Weighted average shares used in computing per share amounts:
Basic	70,584	68,821	70,377	68,556
Diluted	72,245	71,446	72,429	71,162