THE COMPANY AND SIGNIFICANT ACCOUNTING POLICIES - Casualty Insurance (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
|
| Casualty Insurance | |||
| Self-insured amount for general liability per occurrence | $ 1.0 | ||
| Deductible limit per occurrence for workers compensation claims | 0.5 | ||
| Casualty insurance reserves, net of estimated insurance recoveries | 32.7 | $ 29.4 | |
| Expenses related to general liability and workers compensation claims | $ 32.8 | $ 32.6 | $ 25.1 |