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Long-Term Debt - Other (Details)
$ in Millions
3 Months Ended
Feb. 15, 2022
Mar. 31, 2022
USD ($)
facility
Mar. 31, 2022
GBP (£)
Mar. 31, 2022
AUD ($)
Dec. 31, 2021
USD ($)
Debt Instrument          
Outstanding debt   $ 1,463,300,000     $ 1,474,000,000
U.S. credit agreement — revolving credit line          
Debt Instrument          
Maximum credit available   800,000,000      
Maximum amount available for letters of credit   50,000,000      
Future borrowings available for foreign acquisitions   $ 150,000,000      
Incremental interest rate for uncollateralized borrowings in excess of borrowing base   1.25%      
Outstanding debt   $ 0     0
U.K. credit agreement — overdraft line of credit          
Debt Instrument          
Maximum credit available | £     £ 52,000,000    
Outstanding debt   0     0
Amount of demand overdraft lines of credit available during specified time periods each year | £     40,000,000    
U.K. credit agreement — revolving credit line          
Debt Instrument          
Maximum credit available | £     150,000,000    
Outstanding debt   $ 22,300,000 17,000,000   0
Additional facility capacity under accordion feature | £     £ 100,000,000    
Senior Subordinated Notes          
Debt Instrument          
Domestic Subsidiaries ownership guaranteeing obligations (as a percent)   100.00% 100.00% 100.00%  
Change of control, redemption price as a percentage of principal   101.00%      
Sale of assets, redemption price as percentage of principal   100.00%      
3.50% senior subordinated notes due 2025          
Debt Instrument          
Outstanding debt   $ 545,100,000     544,700,000
Interest rate (as a percent)   3.50% 3.50% 3.50%  
3.75% senior subordinated notes due 2029          
Debt Instrument          
Outstanding debt   $ 494,500,000     494,300,000
Interest rate (as a percent)   3.75% 3.75% 3.75%  
Australia capital loan agreement          
Debt Instrument          
Maximum credit available       $ 50.0  
Outstanding debt   $ 26,500,000     26,600,000
Number of facilities | facility   2      
Debt instrument, term   5 years      
Call period   90 days      
Maximum amount of debt guaranteed by the Company's U.S. parent company       50.0  
Balance outstanding under credit agreement       35.4  
Australia working capital loan agreement          
Debt Instrument          
Maximum credit available       50.0  
Outstanding debt   $ 3,000,000   4.0 0
Debt instrument, term   1 year      
Call period   90 days      
Maximum amount of debt guaranteed by the Company's U.S. parent company       $ 50.0  
Revolving Mortgage Facility          
Debt Instrument          
Maximum credit available   $ 225,000,000      
Outstanding debt   0      
Current borrowing capacity   149,100,000      
Mortgage facilities          
Debt Instrument          
Outstanding debt   $ 325,900,000     $ 353,800,000
LIBOR | U.S. credit agreement — revolving credit line          
Debt Instrument          
Line of credit basis spread on variable rate (as a percent) 1.50% 1.75%      
LIBOR | Revolving Mortgage Facility          
Debt Instrument          
Line of credit basis spread on variable rate (as a percent)   1.50%      
Australian BBSW 30-Day Bill Rate | Australia capital loan agreement          
Debt Instrument          
Line of credit basis spread on variable rate (as a percent)   3.00%      
Base rate of interest on loans   30-day Bill Rate      
Australian BBSW 30-Day Bill Rate | Australia working capital loan agreement          
Debt Instrument          
Line of credit basis spread on variable rate (as a percent)   3.00%      
Base rate of interest on loans   30-day Bill Rate      
Debt Instrument Redemption Period Prior To September 2022 | 3.50% senior subordinated notes due 2025          
Debt Instrument          
Debt instrument, redemption price percentage   100.00%      
Specified equity offerings, percentage of debt which may be redeemed   103.50%      
Debt Redemption, Prior To June 12, 2024 | 3.75% senior subordinated notes due 2029          
Debt Instrument          
Debt instrument, redemption price percentage   100.00%      
Debt Instrument Redemption Period Prior To May2021 | 3.75% senior subordinated notes due 2029          
Debt Instrument          
Specified equity offerings, percentage of debt which may be redeemed   103.75%      
Minimum | Sterling Overnight Index Average (SONIA) | U.K. credit agreement — revolving credit line          
Debt Instrument          
Line of credit basis spread on variable rate (as a percent)   1.10%      
Minimum | Debt Instrument Redemption Period Prior To September 2022 | 3.50% senior subordinated notes due 2025          
Debt Instrument          
Debt instrument, redemption price percentage   40.00%      
Minimum | Debt Instrument Redemption Period Prior To September 2022 | 3.75% senior subordinated notes due 2029          
Debt Instrument          
Debt instrument, redemption price percentage   40.00%      
Maximum | Sterling Overnight Index Average (SONIA) | U.K. credit agreement — revolving credit line          
Debt Instrument          
Line of credit basis spread on variable rate (as a percent)   2.10%