Note 14 Stock Options Outstanding Rollforward (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Oct. 01, 2016	Oct. 03, 2015	Sep. 27, 2014	Sep. 28, 2013
Options, Outstanding [Roll Forward]
Beginning outstanding	7,033	8,181	9,562
Granted	1	567	648
Exercised, cancelled, forfeited, expired	(1,520)	(1,715)	(2,029)
Ending outstanding	5,514	7,033	8,181	9,562
Vested and expected to vest	5,487
Exercisable	5,129
Weighted Average Exercise Price, Options [Abstract]
Beginning outstanding	$ 13.05	$ 12.90	$ 12.65
Granted	23.77	24.48	15.89
Exercised, cancelled, forfeited, expired	14.13	16.13	12.67
Ending outstanding	12.75	$ 13.05	$ 12.90	$ 12.65
Vested and expected to vest	12.71
Exercisable	$ 12.13
Weighted Average Remaining Contractual Term (Years) [Abstract]
Outstanding	4 years 1 month 7 days	4 years 11 months 7 days	5 years 3 months 20 days	5 years 11 months 26 days
Vested and expected to vest	4 years 28 days
Exercisable	3 years 9 months 25 days
Aggregate Intrinsic Value of In the Money Options
Outstanding	$ 81,659	$ 53,938	$ 93,767	$ 62,825
Vested and expected to vest	81,503
Exercisable	$ 79,163