Goodwill and Other Intangible Assets - Goodwill Rollforward (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 16, 2020	Jun. 18, 2019	Jun. 16, 2020	Jun. 18, 2019	Dec. 31, 2019
Goodwill [Roll Forward]
Balance as of beginning of period			$ 192,739
Goodwill reclassified from held for sale			3,517
Impairment of goodwill	$ 0	$ 0	(87,277)	$ 0
Balance as of end of period	108,979		108,979
Goodwill, Impaired, Accumulated Impairment Loss	$ 205,600		$ 205,600		$ 118,300

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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-Publisher FASB
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount of transfers into (out of) an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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-Topic 350
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