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FINANCING ARRANGEMENTS - Convertible Senior Notes Due (Details) - Senior Notes $ / shares in Units, $ in Thousands |  | 1 Months Ended | 6 Months Ended |  |  |
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Jul. 02, 2025 USD ($) $ / shares | Jul. 30, 2025 USD ($) | Nov. 30, 2024 USD ($) $ / shares | Jun. 30, 2025 USD ($) $ / shares shares | Jul. 31, 2025 USD ($) | Dec. 31, 2024 USD ($) | Apr. 30, 2021 USD ($)
4.875% Convertible Senior Notes Due 2030 | Subsequent Event |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt conversion, converted amount | $ 244,100 |  |  |  |  |  |
Stated interest rate | 4.875% |  |  |  |  |  |
Conversion price (in usd per share) | $ / shares | $ 54.04 |  |  |  |  |  |
Threshold limit of default with respect to indebtedness for borrowed money | $ 75,000 |  |  |  |  |  |
Debt conversion ratio | 0.018503 |  |  |  |  |  |
4.875% Convertible Senior Notes Due 2030 | Subsequent Event | 4.875% Convertible Senior Notes Due 2030, Amount in Exchange for 2026 Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt conversion, converted amount | $ 20,000 |  |  |  |  |  |
4.875% Convertible Senior Notes Due 2030 | Subsequent Event | 4.875% Convertible Senior Notes Due 2030, Amount in Exchange for 2027 Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt conversion, converted amount | 224,100 |  |  |  |  |  |
6.25% Convertible Senior Notes Due 2027 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt conversion, converted amount |  |  | $ 176,300 |  |  |  |
Stated interest rate |  |  |  | 6.25% |  |  |
Conversion price (in usd per share) | $ / shares |  |  | $ 30 |  |  |  |
Threshold limit of default with respect to indebtedness for borrowed money |  |  | $ 35,000 |  |  |  |
Principal amount |  |  | $ 197,300 |  |  |  |
Debt conversion ratio |  |  | 0.033 |  |  |  |
Debt instrument, issued amount |  |  |  | $ 176,300 |  |  |
Debt instrument, additional interest rate |  |  | 2.50% |  |  |  |
Estimated fair value of convertible notes |  |  |  | 268,700 |  | $ 192,000 |
Debt, outstanding balance |  |  |  | $ 193,430 |  | 192,727 |
Effective interest rate |  |  |  | 7.17% |  |  |
6.25% Convertible Senior Notes Due 2027 | Subsequent Event |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt conversion, original amount | 150,000 |  |  |  |  |  |
Debt, outstanding balance |  |  |  |  | $ 47,300 |  |
1.125% Convertible Senior Notes Due 2026 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Stated interest rate |  |  |  | 1.125% |  |  |
Debt conversion, original amount |  |  | $ 176,300 |  |  |  |
Conversion price (in usd per share) | $ / shares |  |  |  | $ 68.12 |  |  |
Threshold limit of default with respect to indebtedness for borrowed money |  |  | $ 50,000 |  |  |  |
Principal amount |  |  |  |  |  |  | $ 230,000
Debt conversion ratio |  |  |  | 0.01468 |  |  |
Debt conversion price, premium on stock price |  |  |  | 100.00% |  |  |
Estimated fair value of convertible notes |  |  |  | $ 52,300 |  | 48,700 |
Debt, outstanding balance |  |  |  | $ 53,473 |  | $ 53,286 |
Effective interest rate |  |  |  | 1.83% |  |  |
Terminated number of call options (in shares) | shares |  |  |  | 196,200 |  |  |
1.125% Convertible Senior Notes Due 2026 | Maximum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Conversion price (in usd per share) | $ / shares |  |  |  | $ 104.80 |  |  |
1.125% Convertible Senior Notes Due 2026 | Subsequent Event |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt conversion, original amount | $ 20,000 |  |  |  |  |  |
Debt, outstanding balance |  |  |  |  | $ 33,700 |  |
Proceeds from settlement of call options |  | $ 2,700 |  |  |  |  |

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