Goodwill and Intangible Assets (Amortization of Intangible Assets) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 04, 2015	Jun. 28, 2014	Jul. 04, 2015	Jun. 28, 2014
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization of acquired intangible assets	$ 9,105	$ 7,998	$ 27,691	$ 23,772
Cost of license and subscriptions solutions revenue	4,957	4,415	14,438	13,319
Total amortization expense	$ 14,062	$ 12,413	$ 42,129	$ 37,091