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Long-Term Debt - Term Loans (Details)
1 Months Ended 6 Months Ended
Sep. 28, 2019
USD ($)
Jun. 29, 2019
AUD ($)
Jun. 27, 2020
USD ($)
Jun. 29, 2019
USD ($)
May 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Feb. 28, 2019
USD ($)
Debt Instrument              
Proceeds from long term debt     $ 234,296,000 $ 95,400,000      
Unamortized debt issuance costs     14,652,000     $ 10,774,000  
Long-term debt     1,776,503,000     1,528,146,000  
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     553,600,000        
Long-term debt     589,075,000     $ 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     $ 34,400,000        
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%          
Cash Flow Hedge | Designated as Hedging Instrument | Interest Rate Swap              
Debt Instrument              
Derivative fixed interest rate (percent)         0.395%    
Notional amount         $ 370,000,000.0    
Cash Flow Hedge | Designated as Hedging Instrument | Interest Rate Swap | LIBOR | Minimum              
Debt Instrument              
Derivative variable interest rate (percent)         0.00%