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Financial Instruments and Fair Value Measurements - Narrative (Details) £ in Millions | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2022 USD ($) derivative | Jun. 30, 2022 USD ($) derivative | Jun. 30, 2021 USD ($) | Jun. 30, 2022 USD ($) derivative | Jun. 30, 2021 USD ($) | Dec. 31, 2021 USD ($) | May 31, 2019 USD ($) derivative | May 31, 2019 GBP (£) derivative | Oct. 01, 2018 USD ($)
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Notional Amount | $ 1,760,700,000 | $ 1,760,700,000 |  | $ 1,760,700,000 |  | $ 2,731,900,000 |  |  |
Amount reclassified from AOCI |  | 19,374,000 | $ (2,813,000) | 22,958,000 | $ (6,505,000) |  |  |  |
Term loans | Term loan due March 2024 |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  |  |  | $ 250,000,000
Cash flow hedge | Designated as hedging instrument |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Notional Amount | $ 927,500,000 | 927,500,000 |  | $ 927,500,000 |  | 1,092,400,000 |  |  |
Cross-currency swaps |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Number of derivative instruments terminated | derivative | 4 |  |  |  |  |  |  |  |
Amount reclassified from AOCI |  | $ 20,000,000 |  |  |  |  |  |  |
Cross-currency swaps | Cash flow hedge |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Number of derivative instruments | derivative |  |  |  |  |  |  | 4 | 4 |
Notional Amount |  |  |  |  |  |  | $ 166,000,000 | £ 130 |
Cross-currency swaps | Cash flow hedge | Designated as hedging instrument |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Number of derivative instruments | derivative | 0 | 0 |  | 0 |  |  |  |  |
Notional Amount | $ 0 | $ 0 |  | $ 0 |  | 166,300,000 |  |  |
Interest rate swap |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Interest rate swap unrealized loss expected to be reclassified within next twelve months | $ 2,700,000 | $ 2,700,000 |  | $ 2,700,000 |  |  |  |  |
Interest rate swap | Cash flow hedge |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Number of derivative instruments | derivative | 1 | 1 |  | 1 |  |  |  |  |
Interest rate swap | Cash flow hedge | Designated as hedging instrument |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Number of derivative instruments | derivative | 1 | 1 |  | 1 |  |  |  |  |
Notional Amount | $ 250,000,000.0 | $ 250,000,000.0 |  | $ 250,000,000.0 |  | 250,000,000.0 |  |  |
Foreign currency forwards |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Cross-currency swap unrealized gains expected to be reclassified within next twelve months | $ (8,500,000) | $ (8,500,000) |  | $ (8,500,000) |  |  |  |  |
Foreign currency forwards | Cash flow hedge | Designated as hedging instrument |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Number of derivative instruments | derivative | 36 | 36 |  | 36 |  |  |  |  |
Notional Amount | $ 177,500,000 | $ 177,500,000 |  | $ 177,500,000 |  | 176,100,000 |  |  |
Foreign currency collars | Not designated as hedging instrument | Maximum |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Remaining maturities |  |  |  | 5 months |  |  |  |  |
Currency exchange swaps | Not designated as hedging instrument |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Number of derivative instruments | derivative | 5 | 5 |  | 5 |  |  |  |  |
Notional Amount | $ 833,200,000 | $ 833,200,000 |  | $ 833,200,000 |  | $ 1,639,500,000 |  |  |
Currency exchange swaps | Not designated as hedging instrument | Maximum |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Remaining maturities |  |  |  | 3 months |  |  |  |  |
Currency exchange swaps | Not designated as hedging instrument | Minimum |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Remaining maturities |  |  |  | 1 month |  |  |  |  |

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