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INCOME TAXES - Additional Information (Details) - USD ($) $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jul. 31, 2024 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Operating Loss Carryforwards [Line Items] |  |  |  |
Valuation allowance released (charge) amount |  |  |  | $ (51.9)
Operating loss carryforwards, domestic |  | $ 16.0 |  |
Operating loss carryforwards, state and local |  | 20.6 |  |
Operating loss carryforwards, foreign |  | 863.4 |  |
Unrecognized tax benefits that would impact effective tax rate |  | 11.9 | $ 7.6 | 9.8
Income tax examination, tax benefit |  | 0.7 |  |
Income tax examination, penalties and interest expense |  |  | 0.6 | 0.8
Income tax examination, penalties and interest accrued |  | 1.9 | 2.0 |
Income tax benefits recognized as a result of new estimates |  | 12.5 | $ 6.7 | $ 12.5
International |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Income tax examination, estimate of possible loss |  | 122.3 |  |
Decrease in unrecognized tax benefits is reasonably possible |  | $ 3.2 |  |
International | Groupon S.r.l. |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Income tax examination, estimate of possible loss | $ 30.9 |  |  |
Provisional payments term | 72 months |  |  |

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- Definition Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Subparagraph (d)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-15 + Details
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