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v3.20.4

Long-Term Debt, U.S. Senior Notes (Details) - USD ($) $ / shares in Units, $ in Millions |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Apr. 01, 2020 | Feb. 20, 2020 | Sep. 11, 2019 | Sep. 10, 2019 | Jan. 09, 2019 | Jan. 31, 2019 | Sep. 30, 2019 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Sep. 04, 2019
Debt |  |  |  |  |  |  |  |  |  |  |
Repayments of long-term debt |  |  |  |  |  |  |  | $ 404.4 | $ 1,111.5 | $ 15.2 |
Premiums paid on early extinguishment of debt |  |  |  |  |  |  |  | 0.0 | 13.4 | 0.0 |
Gain (loss) on extinguishment of debt |  |  |  |  |  |  | $ (14.3) | $ 0.0 | (14.3) | $ 0.0 |
Gain (loss) on extinguishment of debt, after tax |  |  |  |  |  |  | $ (12.5) |  | $ (12.5) |  |
Gain (loss) on extinguishment of debt, per diluted share |  |  |  |  |  |  | $ (0.04) |  | $ (0.04) |  |
Tender Offers [Member] |  |  |  |  |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |  |  |  |  |
Total consideration for debt tender offers |  |  | $ 368.8 |  |  |  |  |  |  |  |
Premiums paid on early extinguishment of debt |  |  | 13.4 |  |  |  |  |  |  |  |
U.S. Senior Notes |  |  |  |  |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |  |  |  |  |
Redemption price as a percentage of principal amount |  |  |  |  |  |  |  | 100.00% |  |  |
2.20% Senior Notes due April 2020 |  |  |  |  |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |  |  |  |  |
Stated interest rate (as a percent) | 2.20% |  |  |  |  |  |  |  | 2.20% |  |
Repayments of long-term debt | $ 400.0 |  |  |  |  |  |  |  |  |  |
2.55% Senior Notes |  |  |  |  |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |  |  |  |  |
Stated interest rate (as a percent) |  |  |  |  |  | 2.55% |  |  |  |  |
Repayments of long-term debt |  |  |  |  |  | $ 750.0 |  |  |  |  |
4.350% Senior Notes due June 2029 |  |  |  |  |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |  |  |  |  |
Redemption price as a percentage of principal amount |  |  |  |  | 100.00% |  |  |  |  |  |
Debt instrument, principal amount |  |  |  |  | $ 500.0 |  |  |  |  |  |
Stated interest rate (as a percent) |  |  |  |  | 4.35% |  |  | 4.35% | 4.35% |  |
Debt instrument, face amount, net of discount (as a percent) |  |  |  |  | 99.904% |  |  |  |  |  |
Debt maturity date |  |  |  |  |  |  |  | Jun. 01, 2029 |  |  |
2.800% Senior Notes due February 2030 |  |  |  |  |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |  |  |  |  |
Redemption price as a percentage of principal amount |  |  |  | 100.00% |  |  |  |  |  |  |
Debt instrument, principal amount |  |  |  | $ 900.0 |  |  |  |  |  |  |
Stated interest rate (as a percent) |  |  |  | 2.80% |  |  |  | 2.80% | 2.80% |  |
Debt instrument, face amount, net of discount (as a percent) |  |  |  | 99.92% |  |  |  |  |  |  |
Debt maturity date |  |  |  |  |  |  |  | Feb. 15, 2030 |  |  |
3.125% Senior Notes Due September 2021 and 4.00% Senior Notes due February 2022 [Member] | Tender Offers [Member] |  |  |  |  |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |  |  |  |  |
Accrued interest |  |  | $ 3.1 |  |  |  |  |  |  |  |
3.125% Senior Notes due September 2021 |  |  |  |  |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |  |  |  |  |
Stated interest rate (as a percent) |  |  |  |  |  |  |  | 3.125% | 3.125% |  |
3.125% Senior Notes due September 2021 | Tender Offers [Member] |  |  |  |  |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |  |  |  |  |
Redemption price as a percentage of principal amount |  |  | 101.90% |  |  |  |  |  |  |  |
Debt instrument, principal amount |  |  |  |  |  |  |  |  |  |  | $ 375.0
Stated interest rate (as a percent) |  |  |  |  |  |  |  |  |  |  | 3.125%
Senior Note principal redeemed |  |  | $ 147.3 |  |  |  |  |  |  |  |
4.00% Senior Notes |  |  |  |  |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |  |  |  |  |
Stated interest rate (as a percent) |  |  |  |  |  |  |  | 4.00% | 4.00% |  |
4.00% Senior Notes | Tender Offers [Member] |  |  |  |  |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |  |  |  |  |
Redemption price as a percentage of principal amount |  |  | 104.50% |  |  |  |  |  |  |  |
Debt instrument, principal amount |  |  |  |  |  |  |  |  |  |  | $ 500.0
Stated interest rate (as a percent) |  |  |  |  |  |  |  |  |  |  | 4.00%
Senior Note principal redeemed |  |  | $ 205.0 |  |  |  |  |  |  |  |
3.20% Senior Notes due April 2024 |  |  |  |  |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |  |  |  |  |
Stated interest rate (as a percent) |  |  |  |  |  |  |  | 3.20% | 3.20% |  |
2.05% Senior Notes due March 2025 |  |  |  |  |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |  |  |  |  |
Redemption price as a percentage of principal amount |  | 100.00% |  |  |  |  |  |  |  |  |
Debt instrument, principal amount |  | $ 400.0 |  |  |  |  |  |  |  |  |
Stated interest rate (as a percent) |  | 2.05% |  |  |  |  |  | 2.05% |  |  |
Debt instrument, face amount, net of discount (as a percent) |  | 99.829% |  |  |  |  |  |  |  |  |
Debt maturity date |  |  |  |  |  |  |  | Mar. 01, 2025 |  |  |

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