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Income Taxes - Additional Information (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 02, 2020 | Sep. 27, 2019 | Oct. 02, 2020 | Sep. 27, 2019
Income Taxes [Line Items] |  |  |  |
Reduction of valuation allowance against deferred tax assets |  |  | $ 1.1 |
Effective tax rate on income from operations | 17.60% | 18.80% | 5.20% | 12.90%
Effective tax rate upon vesting of certain share based compensation awards |  |  | 7.90% | 7.40%
Effective tax rate upon valuation allowance release |  |  | 3.30% |
Canada Revenue Agency | CANADA |  |  |  |
Income Taxes [Line Items] |  |  |  |
Statutory tax rate | 29.00% | 29.00% | 29.00% | 29.00%

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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 6.I.Fact.4) -URI http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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