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GOODWILL AND OTHER INTANGIBLE ASSETS - Changes in the Carrying Amounts of Goodwill (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Goodwill [Roll Forward] |  |
Goodwill, gross at beginning of period | $ 307,960 | $ 312,689
Accumulated impairment losses at beginning of period | (108,400) | (1,663)
Goodwill at beginning of period | 199,560 | 311,026
Goodwill impairments |  | (106,737)
Impact of divestiture on goodwill | (11,101) | (4,685)
Effects of foreign currency | (16) | (44)
Goodwill, gross at end of period | 296,843 | 307,960
Accumulated impairment losses at end of period | (108,400) | (108,400)
Goodwill at end of period | 188,443 | 199,560
Transportation Solutions |  |
Goodwill [Roll Forward] |  |
Goodwill, gross at beginning of period | 188,775 | 193,488
Accumulated impairment losses at beginning of period | (68,257) | 0
Goodwill at beginning of period | 120,518 | 193,488
Goodwill impairments |  | (68,257)
Impact of divestiture on goodwill | 0 | (4,685)
Effects of foreign currency | (11) | (28)
Goodwill, gross at end of period | 188,764 | 188,775
Accumulated impairment losses at end of period | (68,257) | (68,257)
Goodwill at end of period | 120,507 | 120,518
Components, parts and services |  |
Goodwill [Roll Forward] |  |
Goodwill, gross at beginning of period | 119,185 | 119,201
Accumulated impairment losses at beginning of period | (40,143) | (1,663)
Goodwill at beginning of period | 79,042 | 117,538
Goodwill impairments |  | (38,480)
Impact of divestiture on goodwill | (11,101) | 0
Effects of foreign currency | (5) | (16)
Goodwill, gross at end of period | 108,079 | 119,185
Accumulated impairment losses at end of period | (40,143) | (40,143)
Goodwill at end of period | $ 67,936 | $ 79,042

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