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Derivatives and Hedging Activity (Tables) | 12 Months Ended
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Dec. 31, 2019
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, 2019 and 2018 (in millions):
|  |  |  |  | Derivative Assets |  | Derivative Liabilities |
Instrument |  | Notional Amount |  |  | Balance Sheet Classification |  | Fair Value |  |  | Balance Sheet Classification |  | Fair Value |
At December 31, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate contracts |  | $ | 800.0 |  |  | Other current assets |  | $ | 2.8 |  |  | Accrued compensation and |  | $ | 25.0 |
|  |  |  |  |  | Other noncurrent assets |  |  | 5.4 |  |  | other current liabilities |  |  |  |
|  |  |  |  |  |  |  |  |  |  |  | Other noncurrent liabilities |  |  | 23.0 |
Foreign exchange contracts (1) |  |  | 31.7 |  |  | Other current assets |  |  | 4.5 |  |  | Accrued compensation and |  |  | 1.8 |
|  |  |  |  |  |  |  |  |  |  |  | other current liabilities |  |  |  |
|  |  |  |  |  | Other noncurrent assets |  |  | 8.5 |  |  | Other noncurrent liabilities |  |  | 2.6 |
Total |  | $ | 831.7 |  |  |  |  | $ | 21.2 |  |  |  |  | $ | 52.4 |
At December 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate contracts |  | $ | 850.0 |  |  | Other current assets |  | $ | 3.0 |  |  | Accrued compensation and |  | $ | 13.0 |
|  |  |  |  |  |  |  |  |  |  |  | other current liabilities |  |  |  |
Foreign exchange contracts (1) |  |  | 51.4 |  |  | Other current assets |  |  | 0.9 |  |  | Accrued compensation and |  |  | 4.9 |
|  |  |  |  |  |  |  |  |  |  |  | other current liabilities |  |  |  |
|  |  |  |  |  | Other noncurrent assets |  |  | 5.7 |  |  | Other noncurrent liabilities |  |  | 7.9 |
Total |  | $ | 901.4 |  |  |  |  | $ | 9.6 |  |  |  |  | $ | 25.8 |
(1) | Included within foreign exchange contracts at December 31, 2019 were $342.0 million of call options offset with $342.0 million of put options, and $12.1 million of buy forwards offset with $43.8 million of sell forwards. Included within foreign exchange contracts at December 31, 2018 were $276.4 million of call options offset with $276.4 million of put options, and $23.1 million of buy forwards offset with $72.9 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, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate contracts |  | $ | (47.0 | ) |  | $ | (1.2 | ) |  | $ | — |  |  | Interest expense
Foreign exchange contracts |  |  | 9.9 |  |  |  | (1.6 | ) |  |  | (0.8 | ) |  | Commission revenue
|  |  |  |  |  |  | (1.4 | ) |  |  | 1.2 |  |  | Compensation expense
|  |  |  |  |  |  | (1.0 | ) |  |  | 0.9 |  |  | Operating expense
Total |  | $ | (37.1 | ) |  | $ | (5.2 | ) |  | $ | 1.3 |  |  |
Year ended December 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate contracts |  | $ | (9.3 | ) |  | $ | 1.1 |  |  | $ | — |  |  | Interest expense
Foreign exchange contracts |  |  | (6.4 | ) |  |  | 2.3 |  |  |  | — |  |  | Commission revenue
|  |  |  |  |  |  | 1.3 |  |  |  | — |  |  | Compensation expense
|  |  |  |  |  |  | 1.0 |  |  |  | — |  |  | Operating expense
Total |  | $ | (15.7 | ) |  | $ | 5.7 |  |  | $ | — |  |  |
(1) | During 2019, the amount excluded from the assessment of hedge effectiveness for our foreign exchange contracts recognized in accumulated other comprehensive loss were a loss of $0.2 million.
We estimate that approximately $1.8 million of pretax income currently included within accumulated other comprehensive loss will be reclassified into earnings in the next twelve months.

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4E -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624181-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959 + Details
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