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Earnings per Common Share - Additional Information (Details) - shares shares in Thousands | 3 Months Ended | 9 Months Ended
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Oct. 01, 2021 | Oct. 02, 2020 | Oct. 01, 2021 | Oct. 02, 2020
EPS Performance-based Restricted Stock Units |  |  |  |
Computation Of Earnings Per Share [Line Items] |  |  |  |
Contingently issuable shares excluded from calculation of weighted average common shares outstanding | 45 | 73 | 45 | 73
Operating Cash Flow Performance Based Restricted Stock Units |  |  |  |
Computation Of Earnings Per Share [Line Items] |  |  |  |
Contingently issuable shares excluded from calculation of weighted average common shares outstanding | 37 |  | 37 |
Laser Quantum | Restricted Stock |  |  |  |
Computation Of Earnings Per Share [Line Items] |  |  |  |
Contingently issuable shares excluded from calculation of weighted average common shares outstanding | 213 | 213 | 213 | 213

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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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