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Description of Business and Basis of Presentation - Adoption of New Accounting Pronouncements (Details) - USD ($)
$ in Thousands
Jun. 27, 2020
Mar. 28, 2020
Dec. 29, 2019
Dec. 28, 2019
Jun. 29, 2019
Mar. 30, 2019
Dec. 29, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Equity $ (820,939) $ (786,160)   $ (776,437) $ (774,434) $ (762,580) $ (743,154)
Retained Earnings              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Equity $ (72,512) $ (116,345)   (107,132) $ (102,020) $ (91,763) (74,840)
Cumulative effect of change in accounting principle              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Equity       529     506
Cumulative effect of change in accounting principle | ASU No. 2016-13              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Allowance for credit losses     $ 700        
Cumulative effect of change in accounting principle | Retained Earnings              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Equity       $ 529     $ 506
Cumulative effect of change in accounting principle | Retained Earnings | ASU No. 2016-13              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Equity     $ 500