Income Taxes (Withholding Taxes) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 01, 2016	Mar. 27, 2015	Apr. 01, 2016	Mar. 27, 2015
Income Tax Disclosure [Abstract]
Withholding taxes	$ 12,406	$ 11,942	$ 22,188	$ 24,142