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Income Taxes - Narrative (Details) - USD ($) $ in Millions |  | 12 Months Ended
--- | --- | ---
Mar. 27, 2020 | Jan. 02, 2021
Operating Loss Carryforwards [Line Items] |  |
Unrecognized tax benefits before adjustments |  | $ 0.2
Unrecognized tax benefits being recognized as a reduction to the effective income tax rate |  | 0.2
Amount of unrecognized tax benefits that was expected to be reversed within the next twelve months |  | 0.2
Deferred tax liability recognized, undistributed foreign earnings |  | 0.3
Deferred tax liability - CARES Act |  | 2.7
Leasehold improvements |  |
Operating Loss Carryforwards [Line Items] |  |
Income tax receivable impacted by CARES Act | $ 2.2 |
Estimated useful lives (in years) | 39 years |
United Kingdom |  |
Operating Loss Carryforwards [Line Items] |  |
Deferred tax liability recognized, undistributed foreign earnings |  | 0.1
U.S. and Foreign |  |
Operating Loss Carryforwards [Line Items] |  |
Net operating loss carryforwards |  | $ 1.3
U.S. and Foreign | Minimum |  |
Operating Loss Carryforwards [Line Items] |  |
Deferred tax asset carry forward period (in years) |  | 20 years

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- Definition Amount of deferred tax liability attributable to taxable temporary differences from undistributed earnings of subsidiary and other recognized entity not within country of domicile. Includes, but is not limited to, other basis differences. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32621-109319 + Details
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- Definition Carrying amount as of the balance sheet date of income taxes previously overpaid to tax authorities (such as U.S. Federal, state and local tax authorities) representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Also called income tax refund receivable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(8)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(10)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 + Details
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