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Debt and Credit Facilities - Amended and Restated Senior Secured Credit Facility (Details) £ in Millions, $ in Millions |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Mar. 25, 2022 USD ($) | Jun. 30, 2022 USD ($) | Mar. 31, 2022 USD ($) | Jun. 30, 2021 USD ($) | Jun. 30, 2022 USD ($) | Jun. 30, 2021 USD ($) | Mar. 25, 2022 GBP (£)
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Loss on debt redemption and refinancing activities |  | $ 10.5 |  | $ 0.0 | $ 11.2 | $ 0.0 |
Accelerated amortization of original issuance discount |  |  | $ 0.4 |  |  |  |
Fourth Amended and Restated Credit Agreement |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Loss on debt redemption and refinancing activities |  |  | 0.7 |  |  |  |
Non-lender fees |  |  | 0.3 |  |  |  |
Payments of lender and third-party fees for debt modification |  |  | $ 1.2 |  |  |  |
Payment of lender and non-lender fees and other | $ 3.0 |  |  |  |  |  |
Amortization expense |  | $ 0.3 |  |  | $ 0.7 |  |
Fourth Amended and Restated Credit Agreement | Minimum | Secured Overnight Financing Rate (SOFR) |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Basis spread on variable rate | 1.00% |  |  |  |  |  |
Fourth Amended and Restated Credit Agreement | Maximum | Secured Overnight Financing Rate (SOFR) |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Basis spread on variable rate | 1.75% |  |  |  |  |  |
Fourth Amended and Restated Credit Agreement | U.S. term loan A facility |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Revolving credit facilities | $ 475.0 |  |  |  |  |  |
Fourth Amended and Restated Credit Agreement | Pound sterling term loan A facility |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Revolving credit facilities | £ |  |  |  |  |  |  | £ 27.2
Fourth Amended and Restated Credit Agreement | Revolving Credit Facility |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Revolving credit facilities | $ 1,000.0 |  |  |  |  |  |

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