Note 9 Earnings Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2012	Jul. 02, 2011	Jun. 30, 2012	Jul. 02, 2011
Earnings Per Share [Line Items]
Net income	$ 8,948	$ 9,405	$ 16,084	$ 50,829
Weighted Average Number of Shares Outstanding, Basic	81,519	80,579	81,213	80,223
Weighted Average Number of Shares Outstanding, Diluted	83,566	83,141	83,469	83,275
Net Income Per Share, Basic	$ 0.11	$ 0.12	$ 0.20	$ 0.63
Net Income Per Share, Diluted	$ 0.11	$ 0.11	$ 0.19	$ 0.61
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (Number in Shares)	9,211	7,621	8,219	6,467
Stock Options [Member]
Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (Number in Shares)	8,253	7,149	7,806	6,229
Restricted Stock Units (RSUs) [Member]
Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (Number in Shares)	958	472	413	238