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Schedule II - Valuation and Qualifying Accounts - Valuation and Qualifying Accounts (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 29, 2019
Dec. 30, 2018
Dec. 31, 2017
Allowance for Doubtful Accounts      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance, beginning of the year $ 5,026 $ 4,344 $ 5,160
Charged to expense 8,113 9,785 6,903
Release of allowance or Write-offs (8,851) (9,103) (7,719)
Balance, end of the year 4,288 5,026 4,344
Allowance for Receivable from Insurance Provider      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance, beginning of the year 3,314 3,778 4,019
Charged to expense 120 120 1,153
Release of allowance or Write-offs (2,805) (584) (1,394)
Balance, end of the year 629 3,314 3,778
Valuation Allowance of Deferred Tax Assets      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance, beginning of the year 2,079 2,508 2,266
Charged to expense 0 0 2
Release of allowance or Write-offs (299) (429) 0
Transition to the U.S. Tax Cuts and Jobs Act 0 0 240
Balance, end of the year $ 1,780 $ 2,079 $ 2,508