Note 13 Shares Authorized for Future Issuance and Available for Grant (Details) (USD $)	12 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 29, 2012
Shares Authorized for Future Issuance and Available for Grant [Abstract]
Common Stock, Capital Shares Reserved for Future Issuance	13,700,000
Stock options and unvested restricted stock units outstanding	10,500,000
Number of Shares Available for Future Grant	3,200,000
Stock Repurchase Program, Authorized Amount	$ 100,000,000
Stock Repurchase Program, Additional Authorized Amount	100,000,000
Stock Repurchased and Retired During Period, Shares	4,159,000
Stock Repurchased and Retired During Period, Value	75,038,000
Stock Repurchase Program, Remaining Authorized Repurchase Amount	125,000,000
Repurchases of Treasury Stock, Shares	71,000	169,000	35,000
Repurchases of Treasury Stock, Value	$ 1,199,000	$ 1,525,000	$ 305,000