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Derivatives and Hedging Activity (Tables) | 6 Months Ended
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Jun. 30, 2018
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Summary of Notional and Fair Values of Derivative Instruments | The notional and fair values of derivative instruments are as follows at June 30, 2018 and December 31, 2017 (in millions):
|  | Notional Amount |  |  | Derivative Assets (1) |  |  | Derivative Liabilities (2) |
|  | June 30, 2018 |  |  | Dec 31, 2017 |  |  | June 30, 2018 |  |  | Dec 31, 2017 |  |  | June 30, 2018 |  |  | Dec 31, 2017 |
Derivatives accounted for as hedges: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate contracts |  | $ | 200.0 |  |  | $ | 200.0 |  |  | $ | 5.2 |  |  | $ | 2.2 |  |  | $ | — |  |  | $ | — |
Foreign exchange contracts (3) |  |  | 24.0 |  |  |  | 18.7 |  |  |  | 2.7 |  |  |  | 8.1 |  |  |  | 6.2 |  |  |  | 2.9 |
Total |  | $ | 224.0 |  |  | $ | 218.7 |  |  | $ | 7.9 |  |  | $ | 10.3 |  |  | $ | 6.2 |  |  | $ | 2.9 |
(1) | Included within other current assets, $7.1 million and $7.7 million at June 30, 2018 and December 31, 2017, respectively, and other noncurrent assets, $0.8 million and $2.7 million at June 30, 2018 and December 31, 2017, respectively.
(2) | Included within other current liabilities, $3.7 million and $1.6 million at June 30, 2018 and December 31, 2017, respectively, and other noncurrent liabilities, $2.5 million and $1.3 million at June 30, 2018 and December 31, 2017, respectively.
(3) | Included within foreign exchange contracts at June 30, 2018 were $96.3 million of call options offset with $92.0 million of put options, and $27.2 million of buy forwards. Included within foreign exchange contracts at December 31, 2017 were $141.0 million of call options offset with $141.0 million of put options, and $13.3 million of buy forwards offset with $31.0 million of sell forwards.
Summary of Amounts of Derivative Gains (Losses) Recognized In Accumulated Other Comprehensive Loss | The amounts of derivative gains (losses) recognized in accumulated other comprehensive loss for the six-month periods ended June 30, 2018 and 2017 were as follows (in millions):
|  | Commission |  |  | Compensation |  |  | Operating |  |  | Interest |  |  |  |
|  | Revenue |  |  | Expense |  |  | Expense |  |  | Expense |  |  | Total |
June 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash flow hedges: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate contracts |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 5.9 |  |  | $ | 5.9 |
Foreign exchange contracts |  |  | (2.5 | ) |  |  | (2.1 | ) |  |  | (1.5 | ) |  |  | — |  |  |  | (6.1 | )
Total |  | $ | (2.5 | ) |  | $ | (2.1 | ) |  | $ | (1.5 | ) |  | $ | 5.9 |  |  | $ | (0.2 | )
June 30, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash flow hedges: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate contracts |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | (3.0 | ) |  | $ | (3.0 | )
Foreign exchange contracts |  |  | 6.0 |  |  |  | 2.0 |  |  |  | 1.4 |  |  |  | — |  |  |  | 9.4 |
Total |  | $ | 6.0 |  |  | $ | 2.0 |  |  | $ | 1.4 |  |  | $ | (3.0 | ) |  | $ | 6.4 |
The amounts of derivative gains (losses) reclassified from accumulated other comprehensive loss into income (effective portion) for the six-month periods ended June 30, 2018 and 2017 were as follows (in millions):
|  | Commission |  |  | Compensation |  |  | Operating |  |  | Interest |  |  |  |
|  | Revenue |  |  | Expense |  |  | Expense |  |  | Expense |  |  | Total |
June 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash flow hedges: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate contracts |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 0.5 |  |  | $ | 0.5 |
Foreign exchange contracts |  |  | 1.1 |  |  |  | 0.9 |  |  |  | 0.6 |  |  |  | — |  |  |  | 2.6 |
Total |  | $ | 1.1 |  |  | $ | 0.9 |  |  | $ | 0.6 |  |  | $ | 0.5 |  |  | $ | 3.1 |
June 30, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash flow hedges: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate contracts |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Foreign exchange contracts |  |  | (5.3 | ) |  |  | 0.7 |  |  |  | 0.5 |  |  |  | — |  |  |  | (4.1 | )
Total |  | $ | (5.3 | ) |  | $ | 0.7 |  |  | $ | 0.5 |  |  | $ | — |  |  | $ | (4.1 | )

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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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