Note 8 Income (Loss) Before Income Tax (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 01, 2016	Oct. 03, 2015	Sep. 27, 2014
Income Tax Disclosure [Abstract]
Domestic	$ 138,138	$ 91,613	$ 92,961
Foreign	66,479	84,580	68,778
Income before income taxes	204,617	176,193	161,739
Federal:
Current	490	1,413	5,889
Deferred	(4,550)	(226,225)	(43,789)
State:
Current	(265)	543	(100)
Deferred	(5,141)	(513)	(1,251)
Foreign:
Current	32,427	42,295	27,937
Deferred	(6,182)	(18,581)	(24,112)
Total provision for (benefit from) income taxes	$ 16,779	$ (201,068)	$ (35,426)