Goodwill and Intangible Assets (Narrative) (Details) - USD ($) $ in Thousands	Apr. 02, 2016	Sep. 30, 2015
Intangible Assets, Net (Including Goodwill)	$ 1,511,416	$ 1,360,342
Segment Software Products
Intangible Assets, Net (Including Goodwill)	1,449,900	1,297,900
Segment Services
Intangible Assets, Net (Including Goodwill)	$ 61,500	$ 62,400