Note 13 Stock Options Outstanding (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Sep. 28, 2013
$1.50-$7.78
Stock Option Oustanding by Exercise Price Range [Line Items]
Number Outstanding	1,768
Weighted Average Remaining Contractual Life (Years)	5 years 8 months 26 days
Weighted Average Exercise Price ($)	$ 3.78
Number Exercisable	1,729
Weighted Average Exercise Price ($)	$ 3.70
$7.79-$8.77
Stock Option Oustanding by Exercise Price Range [Line Items]
Number Outstanding	1,739
Weighted Average Remaining Contractual Life (Years)	8 years 2 months 12 days
Weighted Average Exercise Price ($)	$ 8.57
Number Exercisable	473
Weighted Average Exercise Price ($)	$ 8.60
$8.78-$10.76
Stock Option Oustanding by Exercise Price Range [Line Items]
Number Outstanding	1,764
Weighted Average Remaining Contractual Life (Years)	7 years 0 months 11 days
Weighted Average Exercise Price ($)	$ 9.51
Number Exercisable	1,216
Weighted Average Exercise Price ($)	$ 9.10
$10.77-$15.91
Stock Option Oustanding by Exercise Price Range [Line Items]
Number Outstanding	1,976
Weighted Average Remaining Contractual Life (Years)	6 years 4 months 24 days
Weighted Average Exercise Price ($)	$ 13.23
Number Exercisable	1,466
Weighted Average Exercise Price ($)	$ 13.07
$15.92-$21.06
Stock Option Oustanding by Exercise Price Range [Line Items]
Number Outstanding	131
Weighted Average Remaining Contractual Life (Years)	6 years 1 month 2 days
Weighted Average Exercise Price ($)	$ 17.71
Number Exercisable	111
Weighted Average Exercise Price ($)	$ 17.82
$21.07-$21.12
Stock Option Oustanding by Exercise Price Range [Line Items]
Number Outstanding	1,361
Weighted Average Remaining Contractual Life (Years)	3 years 7 months 24 days
Weighted Average Exercise Price ($)	$ 21.12
Number Exercisable	1,362
Weighted Average Exercise Price ($)	$ 21.12
$21.13-$83.10
Stock Option Oustanding by Exercise Price Range [Line Items]
Number Outstanding	823
Weighted Average Remaining Contractual Life (Years)	2 years 5 months 12 days
Weighted Average Exercise Price ($)	$ 30.86
Number Exercisable	823
Weighted Average Exercise Price ($)	$ 30.86
$1.50-$83.10
Stock Option Oustanding by Exercise Price Range [Line Items]
Number Outstanding	9,562
Weighted Average Remaining Contractual Life (Years)	5 years 11 months 26 days
Weighted Average Exercise Price ($)	$ 12.65
Number Exercisable	7,180
Weighted Average Exercise Price ($)	$ 13.49