Note 12 Stock Options Outstanding Rollforward (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
Oct. 01, 2011	Oct. 02, 2010	Oct. 03, 2009	Sep. 27, 2008
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding	11,078	11,106	7,710
Granted	1,875	1,414	5,177
Exercised, cancelled, forfeited, expired	(2,031)	(1,442)	(1,781)
Outstanding	10,922	11,078	11,106
Vested and expected to vest, October 1, 2011	10,026
Exercisable, October 1, 2011	6,735
Weighted Average Exercise Price, Options [Abstract]
Outstanding	$ 14.39	$ 16	$ 30.84
Granted	$ 13.15	$ 10.06	$ 3.62
Exercised, cancelled, forfeited, expired	$ 16.18	$ 22.51	$ 44.25
Outstanding	$ 13.85	$ 14.39	$ 16
Vested and expected to vest, October 1, 2011	$ 14.30
Exercisable, October 1, 2011	$ 16.98
Weighted Average Remaining Contractual Term (Years) [Abstract]
Outstanding	6.89	7.44	8.11	7.31
Vested and expected to vest, October 1, 2011	6.75
Exercisable, October 1, 2011	5.93
Aggregate Intrinsic Value of In the Money Options
Outstanding	$ 14,195	$ 35,417	$ 26,008	$ 117
Vested and expected to vest, October 1, 2011	12,709
Exercisable, October 1, 2011	$ 7,251

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