General General (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
Mar. 27, 2020	Mar. 29, 2019	Dec. 27, 2019
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Gross profit	$ 68.5	$ 95.1
Restatement Adjustment [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Gross profit		$ 1.8	$ 5.8

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1,2)
-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

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