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Long-Term Debt - Term Loans (Details)
1 Months Ended 9 Months Ended
Sep. 28, 2019
USD ($)
Jun. 29, 2019
AUD ($)
Sep. 26, 2020
USD ($)
Sep. 26, 2020
AUD ($)
Sep. 28, 2019
USD ($)
May 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Feb. 28, 2019
USD ($)
Debt Instrument                
Proceeds from long term debt     $ 221,642,000   $ 25,068,000      
Unamortized debt issuance costs     14,001,000       $ 10,774,000  
Long-term debt     1,781,354,000       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               $ 150,000,000.0
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%       0.50%      
Debt instrument discount rate $ 600,000       $ 600,000      
Unamortized debt issuance costs 600,000       $ 600,000      
Periodic payment $ 1,400,000              
Long term debt principal amount outstanding     552,200,000          
Long-term debt     588,507,000       $ 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     $ 35,300,000          
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%            
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%