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Share-Based Compensation (Details) - USD ($) $ in Thousands, shares in Millions | 3 Months Ended
--- | ---
Mar. 25, 2020 | Mar. 27, 2019
Total share-based compensation [Abstract] |  |
Total share-based compensation | $ (1,537) | $ 2,253
Performance share awards |  |
Total share-based compensation [Abstract] |  |
Total share-based compensation | $ (1,746) | 1,998
Restricted Stock Units [Abstract] |  |
Common stock, shares issued (in shares) | 0.3 |
Shares paid for tax withholding (in shares) | 0.1 |
Unrecognized compensation cost related to unvested share awards outstanding | $ 4,900 |
Unrecognized compensation cost, expected weighted average period | 1 year 6 months |
Restricted stock units for board members |  |
Total share-based compensation [Abstract] |  |
Total share-based compensation | $ 209 | $ 255
Restricted Stock Units [Abstract] |  |
Unrecognized compensation cost related to unvested share awards outstanding | $ 100 |
Unrecognized compensation cost, expected weighted average period | 2 months 12 days |

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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Number of shares issued under share-based payment arrangement. + 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 -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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