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Stock-Based Compensation - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 28, 2020 | Jun. 30, 2019 | Jun. 28, 2020 | Jun. 30, 2019 | Mar. 29, 2020 | Dec. 29, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Compensation expense | $ 1.2 | $ 2.0 | $ 2.4 | $ 5.2 |  |
Related tax benefit (expense) | $ 0.2 | $ 0.3 | $ 0.0 | $ 0.7 |  |
Financial Measure Performance Shares |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Weighted average grant date fair value (in dollars per share) | $ 22.90 |  | $ 22.90 |  |  | $ 24.21
2018 grant | Financial Measure Performance Shares |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Weighted average grant date fair value (in dollars per share) |  |  |  |  | $ 17.35 |

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- Definition Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options. + 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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