Leases (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Sep. 28, 2014	Sep. 29, 2013	Sep. 30, 2012
Leases [Abstract]
Sublease income recognized	$ 13.3	$ 9.3	$ 10.0

The total amount of sublease rental income recognized during the period that reduces the entity's rent expense incurred under operating leases.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 10

-Section 55

-Paragraph 40

-Subparagraph (Note 3)

-URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697

Name:	us-gaap_OperatingLeasesRentExpenseSubleaseRentals1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration