Note 13 Stock Options Outstanding Rollforward (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Sep. 30, 2017	Oct. 01, 2016	Oct. 03, 2015	Sep. 27, 2014
Options, Outstanding [Roll Forward]
Beginning outstanding	5,514,000	7,033,000	8,181,000
Granted		1,000	567,000
Exercised, cancelled, forfeited, expired	(1,946,000)	(1,520,000)	(1,715,000)
Ending outstanding	3,568,000	5,514,000	7,033,000	8,181,000
Exercisable	3,469,000
Weighted Average Exercise Price, Options [Abstract]
Beginning outstanding	$ 12.75	$ 13.05	$ 12.90
Granted		23.77	24.48
Exercised, cancelled, forfeited, expired	14.44	14.13	16.13
Ending outstanding	11.83	$ 12.75	$ 13.05	$ 12.90
Exercisable	$ 11.51
Weighted Average Remaining Contractual Term (Years) [Abstract]
Outstanding	3 years 9 months 25 days	4 years 1 month 7 days	4 years 11 months 7 days	5 years 3 months 20 days
Exercisable	3 years 8 months 23 days
Aggregate Intrinsic Value of In the Money Options
Outstanding	$ 90,327	$ 81,659	$ 53,938	$ 93,767
Exercisable	$ 88,950