GOODWILL AND INTANGIBLE ASSETS - Schedule of Changes in Amount of Goodwill (Details) $ in Millions |
6 Months Ended |
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Jun. 30, 2022
USD ($)
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| Goodwill [Roll Forward] | |
| Balance, Beginning of period | $ 6,258.1 |
| Acquisitions | 71.9 |
| Adjustments to initial purchase price allocation | (4.0) |
| Foreign currency translation | (87.3) |
| Balance, End of period | 6,238.7 |
| Workforce Solutions | |
| Goodwill [Roll Forward] | |
| Balance, Beginning of period | 2,365.4 |
| Acquisitions | 44.9 |
| Adjustments to initial purchase price allocation | 1.4 |
| Foreign currency translation | 0.0 |
| Balance, End of period | 2,411.7 |
| U.S. Information Solutions | |
| Goodwill [Roll Forward] | |
| Balance, Beginning of period | 1,900.1 |
| Acquisitions | 0.0 |
| Adjustments to initial purchase price allocation | (0.2) |
| Foreign currency translation | 0.0 |
| Balance, End of period | 1,899.9 |
| International | |
| Goodwill [Roll Forward] | |
| Balance, Beginning of period | 1,992.6 |
| Acquisitions | 27.0 |
| Adjustments to initial purchase price allocation | (5.2) |
| Foreign currency translation | (87.3) |
| Balance, End of period | $ 1,927.1 |
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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