Note 9 Net Sales Information by Geographic Segment (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 01, 2017 USD ($)	Apr. 02, 2016 USD ($)	Apr. 01, 2017 USD ($)	Apr. 02, 2016 USD ($)
Revenues from External Customers [Line Items]
Net sales	$ 1,682,262	$ 1,611,174	$ 3,402,239	$ 3,145,888
Percentage of net sales represented by ten largest customers	53.50%	53.90%	52.60%	52.20%
Number of customers representing 10% or more of net sales	2	1	2	1
United States
Revenues from External Customers [Line Items]
Net sales	$ 303,514	$ 260,085	$ 603,390	$ 514,464
Mexico
Revenues from External Customers [Line Items]
Net sales	469,572	445,009	943,732	929,979
China
Revenues from External Customers [Line Items]
Net sales	313,740	383,967	635,479	751,226
Malaysia
Revenues from External Customers [Line Items]
Net sales	194,467	117,930	405,658	164,538
Other international
Revenues from External Customers [Line Items]
Net sales	$ 400,969	$ 404,183	$ 813,980	$ 785,681