Note 15 Stock Options Outstanding Rollforward (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Oct. 03, 2015	Sep. 27, 2014	Sep. 28, 2013	Sep. 29, 2012
Options, Outstanding [Roll Forward]
Beginning outstanding	8,181	9,562	11,275
Granted	567	648	975
Exercised, cancelled, forfeited, expired	(1,715)	(2,029)	(2,688)
Ending outstanding	7,033	8,181	9,562	11,275
Vested and expected to vest	6,942
Exercisable	5,917
Weighted Average Exercise Price, Options [Abstract]
Beginning outstanding	$ 12.90	$ 12.65	$ 13.15
Granted	24.48	15.89	8.83
Exercised, cancelled, forfeited, expired	16.13	12.67	13.36
Ending outstanding	13.05	$ 12.90	$ 12.65	$ 13.15
Vested and expected to vest	12.97
Exercisable	$ 12.25
Weighted Average Remaining Contractual Term (Years) [Abstract]
Outstanding	4 years 11 months 7 days	5 years 3 months 20 days	5 years 11 months 26 days	6 years 6 months 13 days
Vested and expected to vest	4 years 10 months 20 days
Exercisable	4 years 4 months
Aggregate Intrinsic Value of In the Money Options
Outstanding	$ 53,938	$ 93,767	$ 62,825	$ 18,548
Vested and expected to vest	53,609
Exercisable	$ 48,655