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Long-Term Debt (Details) $ in Millions |  | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Feb. 15, 2022 | Dec. 31, 2021 USD ($) facility | Dec. 31, 2021 GBP (£) | Dec. 31, 2021 AUD ($) | Jun. 30, 2021 USD ($) | Jun. 24, 2021 USD ($) | Dec. 31, 2020 USD ($)
Long Term Debt |  |  |  |  |  |  |
Total long-term debt |  | $ 1,474,000,000 |  |  |  |  | $ 1,689,600,000
Less: current portion |  | (82,000,000.0) |  |  |  |  | (87,500,000)
Net long-term debt |  | 1,392,000,000 |  |  |  |  | 1,602,100,000
Scheduled maturities of long-term debt for each of the next five years and thereafter |  |  |  |  |  |  |
2022 |  | 82,000,000.0 |  |  |  |  |
2023 |  | 21,100,000 |  |  |  |  |
2024 |  | 31,700,000 |  |  |  |  |
2025 |  | 604,800,000 |  |  |  |  |
2026 |  | 18,700,000 |  |  |  |  |
2027 and thereafter |  | 715,700,000 |  |  |  |  |
Total long-term debt |  | 1,474,000,000 |  |  |  |  | 1,689,600,000
U.S. credit agreement — revolving credit line |  |  |  |  |  |  |
Long Term Debt |  |  |  |  |  |  |
Total long-term debt |  | 0 |  |  |  |  | 108,000,000.0
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 (as a percent) |  | 1.25% |  |  |  |  |
Scheduled maturities of long-term debt for each of the next five years and thereafter |  |  |  |  |  |  |
Total long-term debt |  | $ 0 |  |  |  |  | 108,000,000.0
U.S. credit agreement — revolving credit line | LIBOR |  |  |  |  |  |  |
Long Term Debt |  |  |  |  |  |  |
Line of credit basis spread on variable rate (as a percent) |  | 1.75% |  |  |  |  |
U.S. credit agreement — revolving credit line | LIBOR | Subsequent Event |  |  |  |  |  |  |
Long Term Debt |  |  |  |  |  |  |
Line of credit basis spread on variable rate (as a percent) | 1.50% |  |  |  |  |  |
U.K. credit agreement — revolving credit line |  |  |  |  |  |  |
Long Term Debt |  |  |  |  |  |  |
Total long-term debt |  | $ 0 |  |  |  |  | 0
Maximum credit available | £ |  |  | £ 150,000,000 |  |  |  |
Additional facility capacity under accordion feature | £ |  |  | 100,000,000 |  |  |  |
Scheduled maturities of long-term debt for each of the next five years and thereafter |  |  |  |  |  |  |
Total long-term debt |  | $ 0 |  |  |  |  | 0
U.K. credit agreement — revolving credit line | Minimum | LIBOR |  |  |  |  |  |  |
Long Term Debt |  |  |  |  |  |  |
Line of credit basis spread on variable rate (as a percent) |  | 1.10% |  |  |  |  |
U.K. credit agreement — revolving credit line | Maximum | LIBOR |  |  |  |  |  |  |
Long Term Debt |  |  |  |  |  |  |
Line of credit basis spread on variable rate (as a percent) |  | 2.10% |  |  |  |  |
U.K. credit agreement — overdraft line of credit |  |  |  |  |  |  |
Long Term Debt |  |  |  |  |  |  |
Total long-term debt |  | $ 0 |  |  |  |  | 0
Maximum credit available | £ |  |  | 52,000,000 |  |  |  |
Amount of demand overdraft lines of credit available during specified time periods each year | £ |  |  | £ 40,000,000 |  |  |  |
Scheduled maturities of long-term debt for each of the next five years and thereafter |  |  |  |  |  |  |
Total long-term debt |  | 0 |  |  |  |  | 0
3.50% senior subordinated notes due 2025 |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |
Principal amount |  | $ 550,000,000 |  |  |  |  |
Interest rate (as a percent) |  | 3.50% | 3.50% | 3.50% |  |  |
Long Term Debt |  |  |  |  |  |  |
Total long-term debt |  | $ 544,700,000 |  |  |  |  | 543,200,000
Scheduled maturities of long-term debt for each of the next five years and thereafter |  |  |  |  |  |  |
Total long-term debt |  | $ 544,700,000 |  |  |  |  | 543,200,000
3.50% senior subordinated notes due 2025 | Debt Instrument Redemption Period Prior To September 2022 |  |  |  |  |  |  |
Long Term Debt |  |  |  |  |  |  |
Percentage of principal amount at which the entity may redeem the notes |  | 100.00% |  |  |  |  |
Specified equity offerings, percentage of debt which may be redeemed |  | 103.50% |  |  |  |  |
3.50% senior subordinated notes due 2025 | Minimum | Debt Instrument Redemption Period Prior To September 2022 |  |  |  |  |  |  |
Long Term Debt |  |  |  |  |  |  |
Percentage of principal amount at which the entity may redeem the notes |  | 40.00% |  |  |  |  |
5.50% senior subordinated notes due 2026 redeemed June 24, 2021 |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |
Principal amount |  | $ 500,000,000 |  |  |  |  |
Interest rate (as a percent) |  | 5.50% | 5.50% | 5.50% |  |  |
Long Term Debt |  |  |  |  |  |  |
Total long-term debt |  | $ 0 |  |  |  |  | 496,400,000
Scheduled maturities of long-term debt for each of the next five years and thereafter |  |  |  |  |  |  |
Total long-term debt |  | $ 0 |  |  |  |  | $ 496,400,000
3.75% senior subordinated notes due 2029 |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |
Interest rate (as a percent) |  | 3.75% | 3.75% | 3.75% |  |  | 3.75%
Long Term Debt |  |  |  |  |  |  |
Total long-term debt |  | $ 494,300,000 |  |  |  |  | $ 0
Scheduled maturities of long-term debt for each of the next five years and thereafter |  |  |  |  |  |  |
Total long-term debt |  | $ 494,300,000 |  |  |  |  | 0
3.75% senior subordinated notes due 2029 | Debt Redemption, Prior To June 12, 2024 |  |  |  |  |  |  |
Long Term Debt |  |  |  |  |  |  |
Percentage of principal amount at which the entity may redeem the notes |  | 100.00% |  |  |  |  |
3.75% senior subordinated notes due 2029 | Debt Redemption Prior to May 15, 2021 |  |  |  |  |  |  |
Long Term Debt |  |  |  |  |  |  |
Specified equity offerings, percentage of debt which may be redeemed |  | 103.75% |  |  |  |  |
3.75% senior subordinated notes due 2029 | Minimum | Debt Instrument Redemption Period Prior To September 2022 |  |  |  |  |  |  |
Long Term Debt |  |  |  |  |  |  |
Percentage of principal amount at which the entity may redeem the notes |  | 40.00% |  |  |  |  |
Australia capital loan agreement |  |  |  |  |  |  |
Long Term Debt |  |  |  |  |  |  |
Total long-term debt |  | $ 26,600,000 |  |  |  |  | 32,100,000
Maximum credit available |  |  |  | $ 50.0 |  |  |
Number of facilities | facility |  | 2 |  |  |  |  |
Debt 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 |  |  |  | 36.6 |  |  |
Scheduled maturities of long-term debt for each of the next five years and thereafter |  |  |  |  |  |  |
Total long-term debt |  | $ 26,600,000 |  |  |  |  | 32,100,000
Australia capital loan agreement | Australian BBSW 30-Day Bill Rate |  |  |  |  |  |  |
Long Term Debt |  |  |  |  |  |  |
Line of credit basis spread on variable rate (as a percent) |  | 3.00% |  |  |  |  |
Base rate of interest on loans |  | 30-day Bill Rate |  |  |  |  |
Australia working capital loan agreement |  |  |  |  |  |  |
Long Term Debt |  |  |  |  |  |  |
Total long-term debt |  | $ 0 |  |  |  |  | 0
Maximum credit available |  |  |  | 50.0 |  |  |
Debt term |  | 1 year |  |  |  |  |
Call period |  | 90 days |  |  |  |  |
Maximum amount of debt guaranteed by the Company's U.S. parent company |  |  |  | $ 50.0 |  |  |
Scheduled maturities of long-term debt for each of the next five years and thereafter |  |  |  |  |  |  |
Total long-term debt |  | $ 0 |  |  |  |  | 0
Australia working capital loan agreement | Australian BBSW 30-Day Bill Rate |  |  |  |  |  |  |
Long Term Debt |  |  |  |  |  |  |
Line of credit basis spread on variable rate (as a percent) |  | 3.00% |  |  |  |  |
Base rate of interest on loans |  | 30-day Bill Rate |  |  |  |  |
Mortgage facilities |  |  |  |  |  |  |
Long Term Debt |  |  |  |  |  |  |
Total long-term debt |  | $ 353,800,000 |  |  |  |  | 458,100,000
Scheduled maturities of long-term debt for each of the next five years and thereafter |  |  |  |  |  |  |
Total long-term debt |  | 353,800,000 |  |  |  |  | 458,100,000
Other |  |  |  |  |  |  |
Long Term Debt |  |  |  |  |  |  |
Total long-term debt |  | 54,600,000 |  |  |  |  | 51,800,000
Scheduled maturities of long-term debt for each of the next five years and thereafter |  |  |  |  |  |  |
Total long-term debt |  | $ 54,600,000 |  |  |  |  | $ 51,800,000
Senior Subordinated Notes |  |  |  |  |  |  |
Long Term Debt |  |  |  |  |  |  |
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% |  |  |  |  |
Senior Subordinated Notes | 3.75% senior subordinated notes due 2029 |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |
Principal amount |  |  |  |  | $ 500,000,000 |  |
Interest rate (as a percent) |  |  |  |  | 3.75% |  |
Senior Subordinated Notes | 5.50% Senior Subordinated Notes Due 2026 |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |
Interest rate (as a percent) |  |  |  |  |  | 5.50% |
Repayment of debt |  |  |  |  |  | $ 500,000,000 |

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