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Long-Term Debt - Term Loans (Details)
1 Months Ended 3 Months Ended
Sep. 28, 2019
USD ($)
Jun. 29, 2019
AUD ($)
Mar. 28, 2020
USD ($)
Mar. 30, 2019
USD ($)
Dec. 31, 2019
USD ($)
Feb. 28, 2019
USD ($)
Debt Instrument            
Proceeds from long term debt     $ 94,995,000 $ 107,321,000    
Unamortized debt issuance costs     10,711,000   $ 10,774,000  
Australian Facility | Secured Debt            
Debt Instrument            
Borrowing availability   $ 5,000,000.0        
Term Loan | Term Loan            
Debt Instrument            
Percentage bearing fixed interest, percent           3.00%
Debt instrument face amount           $ 150,000,000
Proceeds from long term debt $ 125,000,000.0          
Repayment of long term debt $ 115,000,000.0          
Debt instrument discount rate, percent 0.50%          
Debt instrument discount rate $ 600,000          
Unamortized debt issuance costs 600,000          
Periodic payment $ 1,400,000          
Long term debt principal amount outstanding     555,000,000.0      
Long-term debt     586,446,000   $ 591,153,000  
Term Loan | Australian Facility | Secured Debt            
Debt Instrument            
Increase in borrowing capacity   $ 50,000,000.0        
Unused commitment fee, percent   1.25%        
Long-term debt     $ 30,300,000      
Term Loan | Australian Facility | Secured Debt | BBSY | Minimum            
Debt Instrument            
Debt instrument, variable rate, percent   1.00%        
Term Loan | Australian Facility | Secured Debt | BBSY | Maximum            
Debt Instrument            
Debt instrument, variable rate, percent   1.10%