Note 11 Earnings Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Dec. 28, 2013	Dec. 29, 2012
Earnings Per Share [Line Items]
Net income	$ 23,101	$ 621
Weighted average shares used in computing per share amount:
Weighted average common shares outstanding	83,766	81,920
Effect of dilutive stock options and restricted stock units	3,493	2,091
Denominator for diluted earnings per share	87,259	84,011
Net income per share:
Basic	$ 0.28	$ 0.01
Diluted	$ 0.26	$ 0.01
Potentially Dilutive Securities	3,268	7,566
Employee stock options
Net income per share:
Potentially Dilutive Securities	3,220	7,454
Restricted stock units
Net income per share:
Potentially Dilutive Securities	48	112