Note 12 Stock Options Outstanding Rollforward (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Oct. 01, 2011	Oct. 02, 2010
Options, Outstanding [Roll Forward]
Beginning outstanding	11,275	10,922	11,078
Granted	975	1,775	1,875
Exercised, cancelled, forfeited, expired	(2,688)	(1,422)	(2,031)
Ending outstanding	9,562	11,275	10,922	11,078
Vested and expected to vest	9,287
Exercisable	7,180
Weighted Average Exercise Price, Options [Abstract]
Beginning outstanding	$ 13.15	$ 13.85	$ 14.39
Granted	$ 8.83	$ 9.61	$ 13.15
Exercised, cancelled, forfeited, expired	$ 13.36	$ 14.08	$ 16.18
Ending outstanding	$ 12.65	$ 13.15	$ 13.85	$ 14.39
Vested and expected to vest	$ 12.73
Exercisable	$ 13.49
Weighted Average Remaining Contractual Term (Years) [Abstract]
Outstanding	5 years 11 months 26 days	6 years 6 months 13 days	6 years 10 months 22 days	7 years 5 months 10 days
Vested and expected to vest	5 years 10 months 28 days
Exercisable	5 years 2 months 5 days
Aggregate Intrinsic Value of In the Money Options
Outstanding	$ 62,825	$ 18,548	$ 14,195	$ 35,417
Vested and expected to vest	60,697
Exercisable	$ 45,128