Income Taxes (Reconciliation Of The Provision For Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 01, 2016	Oct. 03, 2015	Sep. 27, 2014
Income Tax Disclosure [Abstract]
Domestic	$ 82,848	$ 78,074	$ 106,671
Foreign	90,012	105,760	112,252
Earnings before income taxes	$ 172,860	$ 183,834	$ 218,923
Federal statutory income tax rate	35.00%	35.00%	35.00%
Repatriated Earnings	26.80%	0.00%	0.00%
R&D and foreign tax credits	(30.60%)	(2.70%)	(1.20%)
Foreign tax rates	(2.70%)	(4.80%)	(5.20%)
Export and manufacturing incentives	(1.00%)	(0.70%)	(0.80%)
Change in enacted tax rates	(0.90%)	(0.30%)	(0.50%)
State taxes, net of federal benefit	0.50%	0.80%	1.00%
Change in valuation allowance for deferred taxes	0.90%	1.10%	0.60%
Other	0.50%	(0.10%)	(1.20%)
Effective income tax rate	28.50%	28.30%	27.70%