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Borrowings - Narrative (Details) - USD ($) $ in Millions |  |  | 3 Months Ended | 12 Months Ended |  |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jan. 04, 2022 | Mar. 09, 2021 | Mar. 31, 2021 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Nov. 30, 2023 | Nov. 25, 2019 | Dec. 18, 2018 | Jun. 11, 2018 | Aug. 22, 2017 | Mar. 15, 2017 | Oct. 31, 2016 | Jun. 21, 2010 | Nov. 17, 2006
Long-term and Short-term Debt Instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average effective interest rate (as a percent) |  |  |  | 4.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Total borrowings at par value |  |  |  | $ 2,514.9 |  | $ 2,630.0 |  |  |  |  |  |  |  |  |  |  |
Maturity date |  |  |  | Nov. 30, 2028 |  |  |  |  |  |  |  |  |  |  |  |  |
Repayment of long-term debt |  |  |  | $ 300.0 |  | 300.0 |  | $ 1,150.0 |  |  |  |  |  |  |  |  |
Total premium paid to redeem |  |  |  |  |  |  |  | 14.3 |  |  |  |  |  |  |  |  |
Commercial Paper |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term and Short-term Debt Instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Threshold over which Commercial Paper Program limit will be reduced for borrowings on Revolving Credit Facility |  |  |  | $ 1,250.0 |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum days to maturity |  |  |  | 397 days |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average effective interest rate (as a percent) |  |  |  | 5.60% |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average term |  |  |  | 3 days |  |  |  |  |  |  |  |  |  |  |  |  |
Total borrowings at par value |  |  |  | $ 364.9 |  | 180.0 |  |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term and Short-term Debt Instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  |  |  | $ 1,250.0 |  | $ 1,500.0 |  |  |  |  |  |
EBITDA interest coverage ratio |  |  |  | 300 |  |  |  |  |  |  |  |  |  |  |  |  |
Facility fee (as a percent) |  |  |  | 0.11% |  |  |  |  |  |  |  |  |  |  |  |  |
Revolver balance outstanding at the end of period |  |  |  | $ 0.0 |  | 0.0 |  |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term and Short-term Debt Instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Facility fee (as a percent) |  |  |  | 0.20% |  |  |  |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term and Short-term Debt Instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Facility fee (as a percent) |  |  |  | 0.08% |  |  |  |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility | Base Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term and Short-term Debt Instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate margin on revolving credit facility (as a percent) |  |  |  | 0.14% |  |  |  |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility | Base Rate [Member] | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term and Short-term Debt Instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate margin on revolving credit facility (as a percent) |  |  |  | 0.425% |  |  |  |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility | Base Rate [Member] | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term and Short-term Debt Instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate margin on revolving credit facility (as a percent) |  |  |  | 0.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility | SOFR [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term and Short-term Debt Instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate margin on revolving credit facility (as a percent) |  |  |  | 1.14% |  |  |  |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility | SOFR [Member] | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term and Short-term Debt Instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate margin on revolving credit facility (as a percent) |  |  |  | 1.425% |  |  |  |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility | SOFR [Member] | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term and Short-term Debt Instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate margin on revolving credit facility (as a percent) |  |  |  | 0.92% |  |  |  |  |  |  |  |  |  |  |  |  |
Letter of Credit Sub-Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term and Short-term Debt Instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  |  |  | 250.0 |  | 250.0 |  |  |  |  |  |
Swing Line Sublimit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term and Short-term Debt Instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  |  |  | $ 300.0 |  |  |  |  |  |  |  |
Term Loan Facility Borrowing |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term and Short-term Debt Instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  |  |  |  |  | $ 950.0 |  |  |  |  |  |
Outstanding borrowings under term loan facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 575.0 |  |
Repayment of long-term debt | $ 300.0 |  | $ 650.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |
1.350% Notes Due 2026 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term and Short-term Debt Instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total borrowings at par value |  | $ 600.0 |  | $ 600.0 | [1] | $ 600.0 | [1] |  |  |  |  |  |  |  |  |  |
Stated interest rate (as a percent) |  | 1.35% |  | 1.35% |  | 1.35% |  |  |  |  |  |  |  |  |  |  |
Repurchase provisions, percentage of principal |  |  |  | 101.00% |  |  |  |  |  |  |  |  |  |  |  |  |
1.350% Notes Due 2026 | Base Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term and Short-term Debt Instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on applicable treasury rate (as a percent) |  | 0.15% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2.750% Notes Due 2031 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term and Short-term Debt Instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total borrowings at par value |  | $ 300.0 |  | $ 300.0 | [1] | $ 300.0 | [1] |  |  |  |  |  |  |  |  |  |
Stated interest rate (as a percent) |  | 2.75% |  | 2.75% |  | 2.75% |  |  |  |  |  |  |  |  |  |  |
Repurchase provisions, percentage of principal |  |  |  | 101.00% |  |  |  |  |  |  |  |  |  |  |  |  |
2.750% Notes Due 2031 | Base Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term and Short-term Debt Instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on applicable treasury rate (as a percent) |  | 0.25% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2.850% Notes Due 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term and Short-term Debt Instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total borrowings at par value |  |  |  | $ 500.0 | [1] | $ 500.0 | [1] |  |  | $ 500.0 |  |  |  |  |  |  |
Stated interest rate (as a percent) |  |  |  | 2.85% |  | 2.85% |  |  |  | 2.85% |  |  |  |  |  |  |
Premium on early redemptions (as a percent) |  |  |  | 0.20% |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchase provisions, percentage of principal |  |  |  | 101.00% |  |  |  |  |  |  |  |  |  |  |  |  |
4.250% Notes Due 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term and Short-term Debt Instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total borrowings at par value |  |  |  |  |  | $ 300.0 | [2] |  |  |  |  | $ 300.0 |  |  |  |  |
Stated interest rate (as a percent) |  |  |  | 4.25% |  | 4.25% |  |  |  |  |  |  |  |  |  |  |
Repurchase provisions, percentage of principal |  |  |  | 101.00% |  |  |  |  |  |  |  |  |  |  |  |  |
3.600% Notes Due 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term and Short-term Debt Instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total borrowings at par value |  |  |  |  |  |  |  | 500.0 |  |  |  |  | $ 100.0 | $ 400.0 |  |  |
Stated interest rate (as a percent) |  |  |  |  |  | 3.60% |  |  |  |  |  |  |  |  |  |  |
Total premium paid to redeem |  |  |  |  |  |  |  | $ 14.3 |  |  |  |  |  |  |  |  |
6.200% Notes Due 2040 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term and Short-term Debt Instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total borrowings at par value |  |  |  | $ 250.0 | [1] | $ 250.0 | [1] |  |  |  |  |  |  |  |  | $ 250.0 |
Stated interest rate (as a percent) |  |  |  | 6.20% |  | 6.20% |  |  |  |  |  |  |  |  |  | 6.20% |
Premium on early redemptions (as a percent) |  |  |  | 0.30% |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchase provisions, percentage of principal |  |  |  | 101.00% |  |  |  |  |  |  |  |  |  |  |  |  |
6.200% Notes Due 2036 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term and Short-term Debt Instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total borrowings at par value |  |  |  | $ 500.0 | [1] | $ 500.0 | [1] |  |  |  |  |  |  |  |  |  | $ 500.0
Stated interest rate (as a percent) |  |  |  | 6.20% |  | 6.20% |  |  |  |  |  |  |  |  |  |  | 6.20%
Premium on early redemptions (as a percent) |  |  |  | 0.25% |  |  |  |  |  |  |  |  |  |  |  |  |
[1] | The difference between the stated interest rate and the effective interest rate is not significant.
[2] | Commercial paper and cash, including cash generated from operations, were used to repay $300.0 million of the aggregate principal amount of 4.250% unsecured notes due in June 2023.

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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 + Details
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- Definition Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 15 -Subparagraph (g) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-15 + Details
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- Definition The minimum EBITDA interest coverage ratio allowed by the Term Loan Facility where the ratio of consolidated adjusted EBITDA is defined as net income plus the sum of (a) interest expense; (b) income tax expense; (c) depreciation expense; (d) amortization expense; (e) any other non-cash deductions, losses or charges made in determining net income for the period; and (f) extraordinary losses or charges, minus extraordinary gains, in each case determined in accordance with U.S. generally accepted accounting principles for such period, to interest expense. + References No definition available. + Details
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- Definition Percentage of principal that the Company may have to repurchase for some or all of the holder's notes, plus any accrued and unpaid interest, if a change of control triggering event occurs with respect to these notes. + References No definition available. + Details
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- Definition Incremental amount of basis points added to the applicable Treasury rate to determine the price the Company would pay should they redeem the notes at any time prior to maturity. + References No definition available. + Details
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