Income Taxes (Reconciliation Of The Provision For Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 03, 2015	Sep. 27, 2014	Sep. 28, 2013
Income Tax Disclosure [Abstract]
Domestic	$ 79,839	$ 107,395	$ 83,962
Foreign	104,132	111,716	80,559
Eliminations	(137)	(188)	485
Earnings before income taxes	$ 183,834	$ 218,923	$ 165,006
Federal statutory income tax rate	35.00%	35.00%	35.00%
Computed expected tax expense	$ 64,342	$ 76,623	$ 57,752
R&D tax credits	(3,046)	(1,105)	(3,271)
Foreign tax rates	(10,759)	(13,034)	(10,726)
Export and manufacturing incentives	(1,323)	(1,803)	(3,400)
State taxes, net of federal benefit	1,534	2,236	1,921
Change in valuation allowance for deferred taxes	2,003	1,477	2,231
Change in enacted tax rates	(590)	(1,160)	0
Other	(210)	(2,509)	2
Income taxes	$ 51,951	$ 60,725	$ 44,509
Effective income tax rate	28.30%	27.70%	27.00%