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SEGMENT INFORMATION - Schedule of Contribution Profit by Segment (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Segment Reporting Information [Line Items] |  |  |
Gross Profit | $ 677,294 | $ 1,186,129 | $ 1,320,601
Marketing | 154,534 | 339,355 | 395,737
Contribution profit | 522,760 | 846,774 | 924,864
Selling, general and administrative | 603,185 | 806,945 | 870,961
Goodwill impairment | 109,486 | 0 | 0
Long-lived asset impairment | 22,351 | 0 | 0
Restructuring and related charges | 64,836 | 31 | (136)
Income (loss) from operations | (277,098) | 39,798 | 54,039
North America |  |  |
Segment Reporting Information [Line Items] |  |  |
Gross Profit | 475,631 | 807,745 | 890,684
Marketing | 96,039 | 214,069 | 273,787
Contribution profit | 379,592 | 593,676 | 616,897
Goodwill impairment | 0 |  |
Long-lived asset impairment | 18,100 |  |
Restructuring and related charges | 37,727 |  |
International |  |  |
Segment Reporting Information [Line Items] |  |  |
Gross Profit | 201,663 | 378,384 | 429,917
Marketing | 58,495 | 125,286 | 121,950
Contribution profit | 143,168 | $ 253,098 | $ 307,967
Goodwill impairment | 109,486 |  |
Long-lived asset impairment | 3,500 |  |
Restructuring and related charges | $ 27,109 |  |

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