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Other - Narrative (Details) - USD ($)
1 Months Ended 3 Months Ended
Sep. 30, 2019
Mar. 29, 2020
Mar. 31, 2019
Dec. 29, 2019
Sep. 29, 2019
Other Expense [Line Items]          
Severance liability   $ 7,100,000   $ 8,400,000  
Capitalized Computer Software Costs          
Other Expense [Line Items]          
Capitalized computer software amortization   3,800,000 $ 4,300,000    
Severance | Selling, General and Administrative Expenses          
Other Expense [Line Items]          
Severance costs   $ 400,000 $ 1,400,000    
Credit Facility          
Other Expense [Line Items]          
Unsecured revolving credit facility, maximum borrowing capacity         $ 250,000,000.0
Unsecured revolving credit facility, term 5 years        
Unsecured revolving credit facility, unused commitment fee (quarterly) 0.20%