Employee Benefit Plans - (Assumptions) (Details)	12 Months Ended
Dec. 29, 2021	Dec. 30, 2020	Dec. 25, 2019
Retirement Benefits [Abstract]
Discount rate used to determine the benefit obligations	1.99%	1.34%
Discount rate used to determine net period pension costs	1.34%	2.56%	3.83%

Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost of defined benefit plan.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(1)
-URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration