Commitments and Contingencies and Derivative Financial Instruments (Rent Expense and Sublease Income) (Details) - USD ($) $ in Thousands	12 Months Ended
Sep. 28, 2018	Sep. 29, 2017	Sep. 30, 2016
Commitments and Contingencies Disclosure [Abstract]
Rent expense	$ 217,550	$ 145,344	$ 151,539
Sublease income	(5,514)	(7,052)	(7,212)
Net rent	$ 212,036	$ 138,292	$ 144,327

The amount of revenue recognized for the period under subleasing arrangements.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 55
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=77891322&loc=d3e41620-112719

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