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v3.23.3

Long-Term Debt and Short-Term Borrowings - Additional Information (Details) |  |  |  |  | 9 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jul. 10, 2023 USD ($) | Jun. 23, 2023 USD ($) | Aug. 05, 2022 USD ($) | Aug. 13, 2015 USD ($) | Sep. 30, 2023 USD ($) | Sep. 30, 2023 EUR (€) | Jul. 10, 2023 EUR (€) | Dec. 31, 2022 USD ($) | Mar. 18, 2021 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Letters of credit outstanding amount |  |  |  |  | $ 236,400,000 |  |  |  |
Revolving credit facility |  |  |  |  | $ 673,000,000 |  |  | $ 178,000,000 |
Revolving Credit Agreement | Senior Notes |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Minimum coverage ratio of EBITDA to total interest expense expressed in percentage |  |  | 2.00% |  |  |  |  |  |
Maximum leverage ratio of total debt less available cash to EBITDA expressed in percentage |  |  | 4.25% |  |  |  |  |  |
Maximum leverage ratio during first four quarter that qualified acquisition is consummated |  |  | 4.75% |  |  |  |  |  |
2023 Credit Agreement with Wells Fargo |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Interest rate | 1000.00% |  |  |  |  |  | 1000.00% |  |
Minimum coverage ratio of EBITDA to total interest expense expressed in percentage | 2.00% |  |  |  |  |  |  |  |
Maximum leverage ratio of total debt less available cash to EBITDA expressed in percentage | 4.25% |  |  |  |  |  |  |  |
Maximum leverage ratio during first four quarter that qualified acquisition is consummated | 4.75% |  |  |  |  |  |  |  |
2023 Credit Agreement with Wells Fargo | Secured Overnight Financing Rate (SOFR) Overnight Index Swap |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Variable rate (as a percent) | 1.00% |  |  |  |  |  |  |  |
2023 Credit Agreement with Wells Fargo | Fed Funds Effective Rate Overnight Index Swap Rate |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Variable rate (as a percent) | 0.50% |  |  |  |  |  |  |  |
2023 Credit Agreement with Wells Fargo | Unsecured Debt |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt agreement term | 5 years |  |  |  |  |  |  |  |
2023 Credit Agreement with Wells Fargo, Tranche A Euro Denominated Term Loan | Unsecured Debt |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Aggregate principal amount | € |  |  |  |  |  |  | € 366,500,000 |  |
2023 Credit Agreement with Wells Fargo, Tranche A, US Dollar Denominated Term Loan | Unsecured Debt |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Aggregate principal amount | $ 350,000,000 |  |  |  |  |  |  |  |
5.950% Senior Notes | Senior Notes |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Aggregate principal amount |  | $ 1,000,000,000 |  |  |  |  |  |  |
Interest rate |  |  |  |  | 5.95% | 5.95% |  |  |
Percentage of face value |  | 98.174% |  |  |  |  |  |  |
5.950% Senior Notes | Senior Notes | On Or After January 1, 2031 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Redemption price percentage |  | 100.00% |  |  |  |  |  |  |
5.950% Senior Notes | Senior Notes | US Treasury (UST) Interest Rate |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Semi-annual basis adjustment (basis points) |  |  |  |  | 0.40% |  |  |  |
2.500% Senior Notes | Senior Notes |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Aggregate principal amount |  |  |  |  |  |  |  |  | $ 500,000,000
Interest rate |  |  |  |  | 2.50% | 2.50% |  |  |
Percentage of face value |  |  |  |  |  |  |  |  | 98.451%
4.875% Senior Notes | Senior Notes |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Aggregate principal amount |  |  |  | $ 600,000,000 |  |  |  |  |
Interest rate |  |  |  |  | 4.875% | 4.875% |  |  |
Redemption price percentage |  |  |  | 99.24% |  |  |  |  |
Revolving Credit Facility | 2021 Credit Agreement |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt agreement term |  |  | 5 years |  |  |  |  |  |
Amounts available to borrow under credit agreement |  |  |  |  | $ 3,150,000,000 |  |  |  |
Revolving Credit Facility | Revolving Credit Agreement |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt agreement term |  |  | 5 years |  |  |  |  |  |
Amounts available to borrow under credit agreement |  |  | $ 3,500,000,000 |  |  |  |  |  |
Interest rate |  |  | 1000.00% |  |  |  |  |  |
Revolving Credit Facility | Revolving Credit Agreement | Line of Credit |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Letters of credit outstanding amount |  |  | $ 300,000,000 |  |  |  |  |  |
Revolving Credit Facility | Revolving Credit Agreement | Secured Overnight Financing Rate (SOFR) Overnight Index Swap |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Variable rate (as a percent) |  |  | 1.00% |  |  |  |  |  |
Revolving Credit Facility | Revolving Credit Agreement | Secured Overnight Financing Rate (SOFR) Overnight Index Swap | Minimum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Variable rate (as a percent) |  |  | 0.63% |  |  |  |  |  |
Revolving Credit Facility | Revolving Credit Agreement | Secured Overnight Financing Rate (SOFR) Overnight Index Swap | Maximum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Variable rate (as a percent) |  |  | 1.10% |  |  |  |  |  |
Revolving Credit Facility | Revolving Credit Agreement | Base Rate | Minimum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Variable rate (as a percent) |  |  | 0.00% |  |  |  |  |  |
Revolving Credit Facility | Revolving Credit Agreement | Base Rate | Maximum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Variable rate (as a percent) |  |  | 0.10% |  |  |  |  |  |
Revolving Credit Facility | Revolving Credit Agreement | Fed Funds Effective Rate Overnight Index Swap Rate |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Variable rate (as a percent) |  |  | 0.50% |  |  |  |  |  |
Revolving Credit Facility | 2019 Credit Agreement |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Revolving credit facility |  |  |  |  | 673,000,000 |  |  |  |
Revolving Credit Facility | 2019 Credit Agreement | Line of Credit |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Letters of credit outstanding amount |  |  |  |  | 0 |  |  |  |
Revolving Credit Facility | 2027 Credit Agreement | Turner & Townsend |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Amounts available to borrow under credit agreement | € |  |  |  |  |  | € 120,000,000 |  |  |
Revolving credit facility |  |  |  |  | 0 |  |  |  |
Additional accordion option | € |  |  |  |  |  | 20,000,000 |  |  |
Euro Term Loan Facility | 2021 Credit Agreement |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Aggregate principal amount | € |  |  |  |  |  | € 400,000,000 |  |  |
Euro Term Loan Facility | 2023 Credit Agreement with Wells Fargo |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Borrowings outstanding |  |  |  |  | $ 387,100,000 |  |  |  |
Euro Term Loan Facility | 2023 Credit Agreement with Wells Fargo | Europe Interbank Offered Rate (EURIBOR) | Minimum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  | 1.25% | 1.25% |  |  |
U.S. Dollar Term Loan | 2023 Credit Agreement with Wells Fargo |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Borrowings outstanding |  |  |  |  | $ 348,100,000 |  |  |  |
U.S. Dollar Term Loan | 2023 Credit Agreement with Wells Fargo | Secured Overnight Financing Rate (SOFR) Overnight Index Swap | Minimum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  | 1.35% | 1.35% |  |  |

X
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- Definition This element represents the maximum ratio of debt less available cash to earnings before interest, taxes, depreciation and amortization (EBITDA) allowed in the reporting entity's credit agreement. + References No definition available. + Details
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- Definition This element represents the minimum ratio of earnings before interest, taxes, depreciation and amortization (EBITDA) to total interest expense required in the reporting entity's credit agreement. + References No definition available. + Details
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