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Debt, Schedule of Debt (Details) - USD ($) $ in Millions | Jun. 30, 2025 | Jun. 16, 2025 | Jun. 12, 2025 | Mar. 03, 2025 | Dec. 31, 2024 | Oct. 31, 2024 | Apr. 05, 2024
--- | --- | --- | --- | --- | --- | --- | ---
Debt |  |  |  |  |  |  |
Less: unamortized deferred debt issuance costs | $ (46.7) |  |  |  | $ (41.8) |  |
Total debt | 8,062.4 |  |  |  | 6,886.1 |  |
Less current portion | 936.6 |  |  |  | 401.7 |  |
Total long-term debt | 7,125.8 |  |  |  | 6,484.4 |  |
Total debt, Approximate Fair Value | 8,008.1 |  |  |  | 6,659.0 |  |
Less current portion, Fair Value | 930.3 |  |  |  | 399.7 |  |
Long-term debt, Approximate Fair Value | 7,077.8 |  |  |  | 6,259.3 |  |
Fair Value |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Less: unamortized deferred debt issuance costs |  |  |  |  |  |  |
The "Revolving Credit Facility" | Revolving Credit Facility |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Debt carrying amount, net of unamortized discount or premium before deferred debt issuance costs | 0.0 |  |  |  | 0.0 |  |
Total debt, Approximate Fair Value | 0.0 |  |  |  | 0.0 |  |
U.S. Commercial Paper Program |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Debt carrying amount, net of unamortized discount or premium before deferred debt issuance costs | 0.0 |  |  |  | 0.0 |  |
Total debt, Approximate Fair Value | 0.0 |  |  |  | 0.0 |  |
Euro Commercial Paper Program |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Debt carrying amount, net of unamortized discount or premium before deferred debt issuance costs | 0.0 |  |  |  | 0.0 |  |
Total debt, Approximate Fair Value | 0.0 |  |  |  | $ 0.0 |  |
2.05% Senior Notes due March 2025 |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Stated interest rate (as a percent) |  |  |  | 2.05% | 2.05% |  |
Debt carrying amount, net of unamortized discount or premium before deferred debt issuance costs | 0.0 |  |  |  | $ 400.0 |  |
Total debt, Approximate Fair Value | $ 0.0 |  |  |  | $ 398.0 |  |
4.750% Senior Notes due March 2026 |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Stated interest rate (as a percent) | 4.75% |  |  |  | 4.75% |  |
Debt carrying amount, net of unamortized discount or premium before deferred debt issuance costs | $ 349.7 |  |  |  | $ 349.5 |  |
Total debt, Approximate Fair Value | $ 350.7 |  |  |  | $ 350.0 |  |
0.750% Euro Senior Notes due May 2026 |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Stated interest rate (as a percent) | 0.75% |  |  |  | 0.75% |  |
Debt carrying amount, net of unamortized discount or premium before deferred debt issuance costs | $ 586.0 |  |  |  | $ 518.6 |  |
Total debt, Approximate Fair Value | $ 578.7 |  |  |  | $ 505.8 |  |
5.050% Senior Notes due April 2027 |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Stated interest rate (as a percent) | 5.05% |  |  |  | 5.05% | 5.05% | 5.05%
Debt carrying amount, net of unamortized discount or premium before deferred debt issuance costs | $ 701.7 |  |  |  | $ 702.2 |  |
Total debt, Approximate Fair Value | $ 711.0 |  |  |  | 706.1 |  |
4.375% Senior Notes due June 2028 |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Stated interest rate (as a percent) | 4.375% |  | 4.375% |  |  |  |
Debt carrying amount, net of unamortized discount or premium before deferred debt issuance costs | $ 749.3 |  |  |  | 0.0 |  |
Total debt, Approximate Fair Value | $ 755.2 |  |  |  | 0.0 |  |
3.125% Senior Notes due June 2032 |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Stated interest rate (as a percent) | 3.125% | 3.125% |  |  |  |  |
Debt carrying amount, net of unamortized discount or premium before deferred debt issuance costs | $ 698.4 |  |  |  | 0.0 |  |
Total debt, Approximate Fair Value | $ 698.6 |  |  |  | $ 0.0 |  |
5.050% Senior Notes due April 2029 |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Stated interest rate (as a percent) | 5.05% |  |  |  | 5.05% |  | 5.05%
Debt carrying amount, net of unamortized discount or premium before deferred debt issuance costs | $ 449.7 |  |  |  | $ 449.6 |  |
Total debt, Approximate Fair Value | $ 463.2 |  |  |  | $ 452.4 |  |
2.000% Euro Senior Notes due October 2028 |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Stated interest rate (as a percent) | 2.00% |  |  |  | 2.00% |  |
Debt carrying amount, net of unamortized discount or premium before deferred debt issuance costs | $ 585.4 |  |  |  | $ 518.2 |  |
Total debt, Approximate Fair Value | $ 576.9 |  |  |  | $ 505.9 |  |
4.350% Senior Notes due June 2029 |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Stated interest rate (as a percent) | 4.35% |  |  |  | 4.35% |  |
Debt carrying amount, net of unamortized discount or premium before deferred debt issuance costs | $ 499.8 |  |  |  | $ 499.8 |  |
Total debt, Approximate Fair Value | $ 502.8 |  |  |  | $ 489.1 |  |
2.800% Senior Notes due February 2030 |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Stated interest rate (as a percent) | 2.80% |  |  |  | 2.80% |  |
Debt carrying amount, net of unamortized discount or premium before deferred debt issuance costs | $ 899.7 |  |  |  | $ 899.6 |  |
Total debt, Approximate Fair Value | $ 844.4 |  |  |  | $ 814.1 |  |
2.200% Senior Notes due September 2031 |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Stated interest rate (as a percent) | 2.20% |  |  |  | 2.20% |  |
Debt carrying amount, net of unamortized discount or premium before deferred debt issuance costs | $ 748.3 |  |  |  | $ 748.2 |  |
Total debt, Approximate Fair Value | $ 657.2 |  |  |  | $ 624.9 |  |
5.250% Senior Notes due April 2034 |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Stated interest rate (as a percent) | 5.25% |  |  |  | 5.25% |  | 5.25%
Debt carrying amount, net of unamortized discount or premium before deferred debt issuance costs | $ 599.5 |  |  |  | $ 599.4 |  |
Total debt, Approximate Fair Value | $ 617.9 |  |  |  | $ 601.0 |  |
5.000% Senior Notes due January 2035 |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Stated interest rate (as a percent) | 5.00% |  |  |  | 5.00% | 5.00% |
Debt carrying amount, net of unamortized discount or premium before deferred debt issuance costs | $ 746.5 |  |  |  | $ 746.3 |  |
Total debt, Approximate Fair Value | $ 758.5 |  |  |  | $ 731.3 |  |
5.375% Senior Notes due November 2054 |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Stated interest rate (as a percent) | 5.375% |  |  |  | 5.375% | 5.375% |
Debt carrying amount, net of unamortized discount or premium before deferred debt issuance costs | $ 492.3 |  |  |  | $ 492.2 |  |
Total debt, Approximate Fair Value | 490.2 |  |  |  | 476.1 |  |
Other Debt |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Debt carrying amount, net of unamortized discount or premium before deferred debt issuance costs | 2.8 |  |  |  | 4.3 |  |
Total debt, Approximate Fair Value | $ 2.8 |  |  |  | $ 4.3 |  |

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