GOODWILL AND INTANGIBLE ASSETS - Schedule of Changes in Amount of Goodwill (Details) $ in Millions |
6 Months Ended |
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Jun. 30, 2024
USD ($)
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| Goodwill [Roll Forward] | |
| Balance, Beginning of period | $ 6,829.9 |
| Adjustments to initial purchase price allocation | 1.1 |
| Foreign currency translation | (84.5) |
| Balance, End of period | 6,746.5 |
| Workforce Solutions | |
| Goodwill [Roll Forward] | |
| Balance, Beginning of period | 2,520.2 |
| Adjustments to initial purchase price allocation | 0.0 |
| Foreign currency translation | (0.1) |
| Balance, End of period | 2,520.1 |
| U.S. Information Solutions | |
| Goodwill [Roll Forward] | |
| Balance, Beginning of period | 2,006.2 |
| Adjustments to initial purchase price allocation | 0.0 |
| Foreign currency translation | 0.0 |
| Balance, End of period | 2,006.2 |
| International | |
| Goodwill [Roll Forward] | |
| Balance, Beginning of period | 2,303.5 |
| Adjustments to initial purchase price allocation | 1.1 |
| Foreign currency translation | (84.4) |
| Balance, End of period | $ 2,220.2 |
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- Definition Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) asset representing future economic benefit from other asset acquired in business combination or from joint venture formation or both, that is 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 measurement period adjustment of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is 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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