Commitments and Contingencies (Details) - USD ($) $ in Millions	Dec. 29, 2018	Dec. 30, 2017
Commitments and Contingencies Disclosure [Abstract]
Purchase Obligation, Extending Greater Than Twelve Months	$ 0.0
Letters of Credit Outstanding, Amount	$ 33.5	$ 39.6

Minimum amount of purchase arrangement maturing in the second fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments.

No definition available.

Name:	us-gaap_PurchaseObligationDueInSecondYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant