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Derivative Financial Instruments and Fair Value Measurements - Additional Information (Details) € in Millions, ج.م. in Millions, $ in Millions |  | 1 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 09, 2022 EUR (€) | Mar. 17, 2022 USD ($) | Jun. 30, 2022 USD ($) | Jun. 30, 2022 EGP (ج.م.) | Jun. 30, 2021 USD ($) | Jun. 30, 2022 EUR (€) | Dec. 31, 2021 USD ($) | Sep. 30, 2019 EUR (€)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Net cash inflow |  |  | $ (40.7) |  | $ (30.8) |  |  |
Forecasted IT contract payment | ج.م. |  |  |  | ج.م. 6.0 |  |  |  |
Forward agreement gain/loss |  |  | 2.0 |  |  |  |  |
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair value measured on a recurring basis |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Deferred compensation plan assets |  |  | $ 115.2 |  |  |  | $ 138.0 |
Cash flow hedge |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Net cash inflow |  | $ 19.2 |  |  |  |  |  |
Forward agreement notional amount | € | € 300.0 |  |  |  |  |  |  |
Forward agreement interest rate | 1.936% |  |  |  |  |  |  |
Derivatives Notes Repay | € | € 400.0 |  |  |  |  |  |  |
Forward agreement maturity date | Sep. 30, 2022 |  |  |  |  |  |  |
Fair Value Hedge |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  | 1.05973% |  |  | 1.05973% |  |
Euro-denominated notes | Estimate of fair value measurement | Significant Other Observable Inputs (Level 2) |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Carrying value of long-term debt |  |  | $ 1,343.6 |  |  |  | 1,064.0 |
Euro-denominated notes | Carrying value | Significant Other Observable Inputs (Level 2) |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Carrying value of long-term debt |  |  | $ 1,356.0 |  |  |  | $ 1,019.6 |
Cross-currency swap | Cash flow hedge |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Principal amount | € |  |  |  |  |  | € 202.3 |  | € 55.4
Interest rate (as a percent) |  |  | 1.256% |  |  | 1.256% |  | 1.143%
Notes due September 2022 |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Principal amount |  |  | $ 400.0 |  |  |  |  |
Interest rate (as a percent) |  |  | 1.875% |  |  | 1.875% |  |
Designated as hedging instrument | Notes due September 2022 | Euro-denominated notes |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Principal amount |  |  | $ 419.2 |  |  | € 400.0 |  |
Designated as hedging instrument | Notes Due June 2026 | Euro-denominated notes |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Principal amount |  |  | $ 521.2 |  |  | € 500.0 |  |

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