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SEGMENT AND RELATED INFORMATION - Segments by Geographic Area (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales | $ 330.6 | $ 319.3 | $ 313.0 | $ 302.5 | $ 295.6 | $ 290.2 | $ 297.7 | $ 286.8 | $ 1,265.4 | $ 1,170.3 | $ 1,243.5
Long-lived assets | 15.1 |  |  |  | 16.4 |  |  |  | 15.1 | 16.4 | 19.3
United States | Reportable Geographical Components |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 759.4 | 692.3 | 676.8
Long-lived assets | 13.9 |  |  |  | 15.4 |  |  |  | 13.9 | 15.4 | 18.1
France | Reportable Geographical Components |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 473.6 | 417.2 | 382.6
Long-lived assets | 1.2 |  |  |  | 1.0 |  |  |  | 1.2 | 1.0 | 1.1
Other Europe | Reportable Geographical Components |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 0.0 | 33.9 | 59.1
Long-lived assets | $ 0.0 |  |  |  | $ 0.0 |  |  |  | 0.0 | 0.0 | 0.1
Other North America | Reportable Geographical Components |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | $ 32.4 | $ 26.9 | $ 125.0

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