Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 02, 2016	Mar. 28, 2015	Apr. 02, 2016	Mar. 28, 2015
Net sales	$ 1,611,174	$ 1,527,530	$ 3,145,888	$ 3,198,692
Cost of sales	1,474,462	1,412,267	2,885,538	2,957,083
Gross profit	136,712	115,263	260,350	241,609
Operating expenses:
Selling, general and administrative	63,494	57,023	121,187	116,441
Research and development	9,997	7,559	19,644	15,628
Restructuring costs	1,204	1,740	1,757	4,740
Amortization of intangible assets	918	425	1,610	850
Asset impairments	0	0	1,000	1,954
Gain on sales of long-lived assets	0	(1,136)	0	(1,136)
Total operating expenses	75,613	65,611	145,198	138,477
Operating income	61,099	49,652	115,152	103,132
Interest income	159	265	307	554
Interest expense	(6,353)	(6,197)	(12,231)	(12,634)
Other income (expense), net	489	(365)	271	(1,893)
Interest and other, net	(5,705)	(6,297)	(11,653)	(13,973)
Income before income taxes	55,394	43,355	103,499	89,159
Provision for income taxes	25,033	28,607	46,000	51,755
Net income	$ 30,361	$ 14,748	$ 57,499	$ 37,404
Net income per share:
Basic	$ 0.40	$ 0.18	$ 0.75	$ 0.45
Diluted	$ 0.39	$ 0.17	$ 0.72	$ 0.43
Weighted average shares used in computing per share amounts:
Basic	75,477	82,977	76,605	82,762
Diluted	78,525	86,897	79,740	86,797