Goodwill and Intangible Assets (Narrative) (Details) (USD $) In Millions, unless otherwise specified	Dec. 28, 2013	Sep. 30, 2013
Segment Software Products
Goodwill and acquired intangible assets	$ 967.1	$ 979.3
Segment Services
Goodwill and acquired intangible assets	$ 62.3	$ 62.9