Note 12 Stock Options Outstanding Rollforward (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 29, 2012	Oct. 01, 2011
Options, Outstanding [Roll Forward]
Beginning outstanding	9,562	11,275	10,922
Granted	648	975	1,775
Exercised, cancelled, forfeited, expired	(2,029)	(2,688)	(1,422)
Ending outstanding	8,181	9,562	11,275	10,922
Vested and expected to vest	8,029
Exercisable	6,539
Weighted Average Exercise Price, Options [Abstract]
Beginning outstanding	$ 12.65	$ 13.15	$ 13.85
Granted	$ 15.89	$ 8.83	$ 9.61
Exercised, cancelled, forfeited, expired	$ 12.67	$ 13.36	$ 14.08
Ending outstanding	$ 12.90	$ 12.65	$ 13.15	$ 13.85
Vested and expected to vest	$ 12.93
Exercisable	$ 13.22
Weighted Average Remaining Contractual Term (Years) [Abstract]
Outstanding	5 years 3 months 20 days	5 years 11 months 26 days	6 years 6 months 13 days	6 years 10 months 22 days
Vested and expected to vest	5 years 3 months 1 day
Exercisable	4 years 7 months 7 days
Aggregate Intrinsic Value of In the Money Options
Outstanding	$ 93,767	$ 62,825	$ 18,548	$ 14,195
Vested and expected to vest	91,888
Exercisable	$ 73,555