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Long-Term Debt (Details) £ in Millions, $ in Millions, $ in Millions | 9 Months Ended |  |  |
--- | --- | --- | --- | ---
Sep. 30, 2019 GBP (£) item | Sep. 30, 2019 USD ($) | Sep. 30, 2019 AUD ($) | Jul. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
Long Term Debt |  |  |  |  |
Total long-term debt |  | $ 2,379.3 |  |  | $ 2,216.7
Less: current portion |  | (96.8) |  |  | (92.0)
Net long-term debt |  | $ 2,282.5 |  |  | 2,124.7
Domestic Subsidiaries ownership guaranteeing obligations (as a percent) | 100.00% | 100.00% | 100.00% |  |
US Credit Agreement Revolving Credit Line |  |  |  |  |
Long Term Debt |  |  |  |  |
Total long-term debt |  | $ 105.0 |  |  | 30.0
Maximum credit available |  | 700.0 |  | $ 700.0 |
Revolving loans solely for future U.S. acquisitions |  | 250.0 |  |  |
Future borrowings available for foreign acquisitions |  | 150.0 |  |  |
Maximum amount available for letters of credit |  |  |  | $ 50.0 |
Balance outstanding under credit agreement |  | 105.0 |  |  |
US Credit Agreement Revolving Credit Line | LIBOR portion |  |  |  |  |
Long Term Debt |  |  |  |  |
Base rate of interest on loans | LIBOR |  |  |  |
Line of credit basis spread on variable rate (as a percent) | 2.00% |  |  |  |
Incremental interest rate for uncollateralized borrowings in excess of maximum limit (as a percent) | 1.50% |  |  |  |
UK Credit Agreement Revolving Credit Line |  |  |  |  |
Long Term Debt |  |  |  |  |
Total long-term debt |  | 154.9 |  |  | 163.3
Maximum credit available |  | 150.0 |  |  |
Additional facility capacity under accordion feature |  | 100.0 |  |  |
UK Credit Agreement Revolving Credit Line | Minimum | LIBOR portion |  |  |  |  |
Long Term Debt |  |  |  |  |
Line of credit basis spread on variable rate (as a percent) | 1.10% |  |  |  |
UK Credit Agreement Revolving Credit Line | Maximum | LIBOR portion |  |  |  |  |
Long Term Debt |  |  |  |  |
Line of credit basis spread on variable rate (as a percent) | 2.10% |  |  |  |
UK Credit Agreement Overdraft Line of Credit |  |  |  |  |
Long Term Debt |  |  |  |  |
Total long-term debt |  |  |  |  | 1.8
UK Credit Agreement Revolving Credit Line and Overdraft Line Of Credit |  |  |  |  |
Long Term Debt |  |  |  |  |
Balance outstanding under credit agreement | £ 126.0 | $ 154.9 |  |  |
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% |  |  |  |
5.50% senior subordinated notes due 2026 |  |  |  |  |
Long Term Debt |  |  |  |  |
Total long-term debt |  | $ 495.6 |  |  | $ 495.1
Interest rate (as a percent) | 5.50% | 5.50% | 5.50% |  | 5.50%
Principal amount |  | $ 500.0 |  |  |
5.50% senior subordinated notes due 2026 | Debt Redemption Prior to May 15, 2021 |  |  |  |  |
Long Term Debt |  |  |  |  |
Interest rate (as a percent) | 5.50% | 5.50% | 5.50% |  |
Percentage of principal amount at which the entity may redeem the notes | 100.00% |  |  |  |
5.50% senior subordinated notes due 2026 | Debt Instrument Redemption Period On or After May 15, 2021 |  |  |  |  |
Long Term Debt |  |  |  |  |
Interest rate (as a percent) | 5.50% | 5.50% | 5.50% |  |
5.50% senior subordinated notes due 2026 | Debt Redemption Prior to May 15, 2019 |  |  |  |  |
Long Term Debt |  |  |  |  |
Interest rate (as a percent) | 5.50% | 5.50% | 5.50% |  |
Percentage of principal amount at which the entity may redeem the notes | 40.00% |  |  |  |
5.375% senior subordinated notes due 2024 |  |  |  |  |
Long Term Debt |  |  |  |  |
Total long-term debt |  | $ 297.9 |  |  | $ 297.6
Interest rate (as a percent) | 5.375% | 5.375% | 5.375% |  | 5.375%
Principal amount |  | $ 300.0 |  |  |
5.375% senior subordinated notes due 2024 | Debt Redemption Prior To December 1, 2019 |  |  |  |  |
Long Term Debt |  |  |  |  |
Interest rate (as a percent) | 5.375% | 5.375% | 5.375% |  |
Percentage of principal amount at which the entity may redeem the notes | 100.00% |  |  |  |
5.375% senior subordinated notes due 2024 | Debt Instrument Redemption Period On or After December 1, 2019 |  |  |  |  |
Long Term Debt |  |  |  |  |
Interest rate (as a percent) | 5.375% | 5.375% | 5.375% |  |
5.75% senior subordinated notes due 2022 |  |  |  |  |
Long Term Debt |  |  |  |  |
Total long-term debt |  | $ 547.4 |  |  | $ 546.8
Interest rate (as a percent) | 5.75% | 5.75% | 5.75% |  | 5.75%
Principal amount |  | $ 550.0 |  |  |
3.75% senior subordinated notes due 2020 |  |  |  |  |
Long Term Debt |  |  |  |  |
Total long-term debt |  | $ 298.9 |  |  | $ 297.9
Interest rate (as a percent) | 3.75% | 3.75% | 3.75% |  | 3.75%
Principal amount |  | $ 300.0 |  |  |
Percentage of principal amount at which the entity may redeem the notes | 100.00% |  |  |  |
Australia capital loan agreement |  |  |  |  |
Long Term Debt |  |  |  |  |
Total long-term debt |  | 30.9 |  |  | $ 33.6
Maximum credit available |  |  | $ 50.0 |  |
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 |  | 30.9 | 45.8 |  |
Number of facilities | item | 2 |  |  |  |
Australia capital loan agreement | Australian BBSW 30-Day Bill Rate |  |  |  |  |
Long Term Debt |  |  |  |  |
Base rate of interest on loans | 30-day Bill Rate |  |  |  |
Line of credit basis spread on variable rate (as a percent) | 3.00% |  |  |  |
Australia working capital loan agreement |  |  |  |  |
Long Term Debt |  |  |  |  |
Total long-term debt |  |  |  |  | 6.1
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 |  |
Balance outstanding under credit agreement |  | 0.0 |  |  |
Australia working capital loan agreement | Australian BBSW 30-Day Bill Rate |  |  |  |  |
Long Term Debt |  |  |  |  |
Base rate of interest on loans | 30-day Bill Rate |  |  |  |
Line of credit basis spread on variable rate (as a percent) | 3.00% |  |  |  |
Mortgage facilities |  |  |  |  |
Long Term Debt |  |  |  |  |
Total long-term debt |  | 397.3 |  |  | 289.6
Balance outstanding under credit agreement |  | 397.3 |  |  |
Other debt |  |  |  |  |
Long Term Debt |  |  |  |  |
Total long-term debt |  | $ 51.4 |  |  | $ 54.9

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