Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Oct. 03, 2020	Sep. 28, 2019	Sep. 29, 2018
Net sales	$ 6,960,370	$ 8,233,859	$ 7,110,130
Cost of sales	6,434,663	7,641,921	6,646,347
Gross profit	525,707	591,938	463,783
Operating expenses:
Selling, general and administrative	240,931	260,032	250,924
Research and development	22,564	27,552	30,754
Restructuring and other	27,916	18,237	32,054
Goodwill impairment	6,609	0	30,610
Total operating expenses	298,020	305,821	344,342
Operating income	227,687	286,117	119,441
Interest income	2,322	1,111	1,268
Interest expense	(28,903)	(30,763)	(27,734)
Other income (expense), net	(348)	(10,846)	4,564
Interest and other, net	(26,929)	(40,498)	(21,902)
Income before income taxes	200,758	245,619	97,539
Provision for income taxes	61,045	104,104	193,072
Net income (loss)	$ 139,713	$ 141,515	$ (95,533)
Net income (loss) per share:
Basic	$ 2.02	$ 2.05	$ (1.37)
Diluted	$ 1.97	$ 1.97	$ (1.37)
Weighted-average shares used in computing per share amounts:
Basic	69,041	69,129	69,833
Diluted	70,793	71,678	69,833