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Derivatives and Hedging Activity (Tables) | 12 Months Ended
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Dec. 31, 2024
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Summary of Notional and Fair Values of Derivative Instruments | The notional and fair values of derivatives designated as hedging instruments are as follows at December 31, 2024 and 2023 (in millions):
|  |  |  |  | Derivative Assets |  |  | Derivative Liabilities |
|  | Notional |  |  | Balance Sheet |  | Fair |  |  | Balance Sheet |  | Fair |
Instrument |  | Amount |  |  | Classification |  | Value |  |  | Classification |  | Value |
At December 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate contracts |  | $ | — |  |  | Other current assets |  | $ | — |  |  | Accrued compensation and |  | $ | — |
|  |  |  |  | Other noncurrent assets |  |  | — |  |  | other current liabilities |  |  |
|  |  |  |  |  |  |  |  |  | Other noncurrent liabilities |  |  | — |
Foreign exchange contracts (1) |  |  | 24.4 |  |  | Other current assets |  |  | 6.2 |  |  | Accrued compensation and |  |  | 2.4 |
|  |  |  |  |  |  |  |  |  | other current liabilities |  |  |
|  |  |  |  | Other noncurrent assets |  |  | 2.6 |  |  | Other noncurrent liabilities |  |  | 2.9 |
Total |  | $ | 24.4 |  |  |  |  | $ | 8.8 |  |  |  |  | $ | 5.3 |
At December 31, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate contracts |  | $ | 150.0 |  |  | Other current assets |  | $ | — |  |  | Accrued compensation and |  | $ | 5.7 |
|  |  |  |  | Other noncurrent assets |  |  | — |  |  | other current liabilities |  |  |
|  |  |  |  |  |  |  |  |  | Other noncurrent liabilities |  |  | — |
Foreign exchange contracts (1) |  |  | 67.8 |  |  | Other current assets |  |  | 3.9 |  |  | Accrued compensation and |  |  | 3.9 |
|  |  |  |  |  |  |  |  |  | other current liabilities |  |  |
|  |  |  |  | Other noncurrent assets |  |  | 14.2 |  |  | Other noncurrent liabilities |  |  | 4.0 |
Total |  | $ | 217.8 |  |  |  |  | $ | 18.1 |  |  |  |  | $ | 13.6 |
(1) Included within foreign exchange contracts at December 31, 2024 were $595.4 million of call options offset with $595.4 million of put options, and $1.2 million of buy forwards offset with $25.6 million of sell forwards. Included within foreign exchange contracts at December 31, 2023 were $331.3 million of call options offset with $331.3 million of put options, and $5.5 million of buy forwards offset with $73.3 million of sell forwards.
Summary of Amounts of Derivative Gains (Losses) Recognized In Accumulated Other Comprehensive Loss | The effect of cash flow hedge accounting on accumulated other comprehensive loss were as follows (in millions):
Instrument |  | Amount of Gain (Loss) Recognized in Accumulated Other Comprehensive Loss (1) |  |  | Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Loss into Earnings |  |  | Amount of Gain (Loss) Recognized in Earnings Related to Amount Excluded from Effectiveness Testing |  |  | Statement of Earnings Classification
Year ended December 31, 2024 |  |  |  |  |  |  |  |  |  |  |
Interest rate contracts |  | $ | (6.1 | ) |  | $ | (1.2 | ) |  | $ | — |  |  | Interest expense
Foreign exchange contracts |  |  | (10.7 | ) |  |  | (2.0 | ) |  |  | — |  |  | Commission revenue
|  |  |  |  |  | (2.2 | ) |  |  | 0.8 |  |  | Compensation expense
|  |  |  |  |  | (1.4 | ) |  |  | 0.6 |  |  | Operating expense
Total |  | $ | (16.8 | ) |  | $ | (6.8 | ) |  | $ | 1.4 |  |  |
Year ended December 31, 2023 |  |  |  |  |  |  |  |  |  |  |
Interest rate contracts |  | $ | 63.9 |  |  | $ | (1.1 | ) |  | $ | — |  |  | Interest expense
Foreign exchange contracts |  |  | 38.0 |  |  |  | 1.3 |  |  |  | (0.1 | ) |  | Commission revenue
|  |  |  |  |  | (1.9 | ) |  |  | 1.8 |  |  | Compensation expense
|  |  |  |  |  | (1.4 | ) |  |  | 1.3 |  |  | Operating expense
Total |  | $ | 101.9 |  |  | $ | (3.1 | ) |  | $ | 3.0 |  |  |
(1) During 2024, the amount excluded from the assessment of hedge effectiveness for our foreign exchange contracts recognized in accumulated other comprehensive loss was a loss of $0.2 million.

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- Definition Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4E -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4E Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4C Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A + Details
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