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BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF ACCOUNTING POLICIES - Basis of Presentation (Details) $ / shares in Units, $ in Millions | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2021 USD ($) state $ / shares | Sep. 30, 2021 USD ($) $ / shares | Jun. 30, 2021 USD ($) $ / shares | Mar. 31, 2021 USD ($) $ / shares | Dec. 31, 2020 USD ($) $ / shares | Sep. 30, 2020 USD ($) $ / shares | Jun. 30, 2020 USD ($) $ / shares | Mar. 31, 2020 USD ($) $ / shares | Dec. 31, 2021 USD ($) segment state $ / shares | Dec. 31, 2020 USD ($) $ / shares | Dec. 31, 2019 USD ($) $ / shares | Nov. 12, 2021 USD ($)
Business And Organization |  |  |  |  |  |  |  |  |  |  |  |
Number of reportable segments | segment |  |  |  |  |  |  |  |  | 2 |  |  |
Additional paid-in capital | $ 325.8 |  |  |  | $ 308.3 |  |  |  | $ 325.8 | $ 308.3 |  |
Selling, general and administrative expenses |  |  |  |  |  |  |  |  | 1,477.2 | 1,138.2 | $ 1,312.4 |
Net income | $ 87.1 | $ 172.1 | $ 191.0 | $ 101.9 | $ 100.1 | $ 126.4 | $ 30.2 | $ 29.8 | $ 552.1 | $ 286.5 | $ 174.0 |
Diluted earnings (loss) per common share (in dollars per share) | $ / shares | $ 4.84 | $ 9.33 | $ 10.35 | $ 5.52 | $ 5.43 | $ 6.83 | $ 1.63 | $ 1.61 | $ 30.11 | $ 15.51 | $ 9.34 |
U.S. |  |  |  |  |  |  |  |  |  |  |  |
Business And Organization |  |  |  |  |  |  |  |  |  |  |  |
Selling, general and administrative expenses |  |  |  |  |  |  |  |  | $ 1,234.9 | $ 947.0 | $ 1,075.6 |
Number of states in which the entity operates | state | 17 |  |  |  |  |  |  |  | 17 |  |  |
Scenario, Plan | Held-for-sale | Brazil |  |  |  |  |  |  |  |  |  |  |  |
Business And Organization |  |  |  |  |  |  |  |  |  |  |  |
Percentage of equity interest relinquished |  |  |  |  |  |  |  |  |  |  |  | 100.00%
Consideration for disposal |  |  |  |  |  |  |  |  |  |  |  | $ 510.0
Restatement Adjustment |  |  |  |  |  |  |  |  |  |  |  |
Business And Organization |  |  |  |  |  |  |  |  |  |  |  |
Additional paid-in capital |  |  |  |  | $ 10.6 |  |  |  |  | 10.6 |  |
Selling, general and administrative expenses |  |  |  |  |  |  |  |  |  | $ 10.6 |  |
Net income |  |  |  |  |  |  |  |  | $ (9.7) |  |  |
Diluted earnings (loss) per common share (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  | $ (0.53) |  |  |

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