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Equity-Based Compensation (Schedule Of Remaining Unrecognized Compensation Expense For Unvested Awards) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 28, 2019
Equity-Based Compensation [Abstract] |  |
2020 |  | $ 11,733
2021 |  | 7,976
2022 |  | 3,566
2023 |  | 498
Total |  | $ 23,773
Unrecognized compensation expense weighted average period of recognition | 1 year 8 months 12 days |

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- Definition Amount of cost not yet recognized for nonvested award 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 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + 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 (i) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not Yet Recognized, Year Three + References No definition available. + Details
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