Commitments and Contingencies - Leases (Details)	12 Months Ended
Dec. 30, 2018
Minimum [Member]
Lessee, Lease, Description [Line Items]
Lease Expiration Date	Dec. 31, 2037
Lease terms	10 years
Maximum [Member]
Lessee, Lease, Description [Line Items]
Lease Expiration Date	Dec. 31, 2057
Lease terms	20 years

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980

Name:	us-gaap_LesseeOperatingLeaseTermOfContract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant