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DEBT - Narrative (Details) |  |  |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended |  |  |
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Aug. 01, 2025 USD ($) | Jul. 03, 2025 USD ($) | Mar. 31, 2025 USD ($) | May 09, 2024 USD ($) $ / shares | May 01, 2024 USD ($) | Jun. 30, 2023 USD ($) | Mar. 31, 2023 USD ($) | Jul. 31, 2025 USD ($) | May 31, 2024 USD ($) trading_day $ / shares | Jul. 31, 2020 USD ($) $ / shares | Sep. 30, 2025 USD ($) | Jun. 30, 2025 USD ($) trading_day $ / shares | Jun. 30, 2024 USD ($) | Jun. 30, 2025 USD ($) trading_day $ / shares | Jun. 30, 2024 USD ($) | Dec. 31, 2024 USD ($) | Mar. 31, 2028 USD ($) | Jan. 07, 2022 USD ($) | May 31, 2017 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share price (in dollars per share) | $ / shares |  |  |  | $ 29.86 |  |  |  |  |  |  |  | $ 23.90 |  | $ 23.90 |  |  |  |  |
Gain (loss) extinguishment of debt |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 7,518,000 | $ 0 | $ 7,518,000 |  |  |  |
Additional Paid-In Capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase of capped calls |  |  |  | $ 26,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase of capped calls, tax |  |  |  | $ 6,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Term loan A facility maturing March 2028 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average interest rate, at point in time |  |  |  |  |  |  |  |  |  |  |  | 7.43% |  | 7.43% |  |  |  |  |
Term loan A facility maturing March 2028 | Minimum | Base Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net leverage ratio |  |  |  |  |  |  |  |  |  |  |  | 2.00% |  | 2.00% |  |  |  |  |
Term loan A facility maturing March 2028 | Minimum | SOFR |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net leverage ratio |  |  |  |  |  |  |  |  |  |  |  | 3.00% |  | 3.00% |  |  |  |  |
Term loan A facility maturing March 2028 | Maximum | Base Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net leverage ratio |  |  |  |  |  |  |  |  |  |  |  | 2.75% |  | 2.75% |  |  |  |  |
Term loan A facility maturing March 2028 | Maximum | SOFR |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net leverage ratio |  |  |  |  |  |  |  |  |  |  |  | 3.75% |  | 3.75% |  |  |  |  |
Term loan A facility maturing March 2028 | Term Loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Discount rate |  |  |  |  |  |  | 0.30% |  |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount |  |  |  |  |  |  | $ 150,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Term loan A facility |  |  |  |  |  |  | 149,600,000 |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, unamortized discount |  |  |  |  |  |  | $ 400,000 |  |  |  |  | $ 236,000 |  | $ 236,000 |  | $ 281,000 |  |  |
Periodic payment, principal |  |  | $ 3,800,000 |  |  | $ 2,800,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of debt |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 6,600,000 |  | 11,300,000 |  |  |
Term loan A facility maturing March 2028 | Term Loan | Forecast |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balloon payment to be paid |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 85,300,000 |  |
Term loan A facility maturing March 2028 | Term Loan | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of debt |  | $ 98,800,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) extinguishment of debt |  |  |  |  |  |  |  | $ (900,000) |  |  | $ (900,000) |  |  |  |  |  |  |  |
2.125% Convertible senior notes due May 2029 | Unsecured Debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount |  |  |  |  |  |  |  |  | $ 287,500,000 |  |  |  |  |  |  |  |  |  |
Stated rate |  |  |  |  |  |  |  |  | 2.125% |  |  | 2.125% |  | 2.125% |  |  |  |  |
Threshold percentage stock price trigger |  |  |  |  |  |  |  |  | 130.00% |  |  |  |  |  |  |  |  |  |
Threshold trading days | trading_day |  |  |  |  |  |  |  |  | 20 |  |  |  |  |  |  |  |  |  |
Threshold consecutive trading days | trading_day |  |  |  |  |  |  |  |  | 30 |  |  |  |  |  |  |  |  |  |
Settlement period - convertible debt conversion request |  |  |  |  |  |  |  |  | 50 days |  |  |  |  |  |  |  |  |  |
Initial conversion rate |  |  |  |  |  |  |  |  | 0.0252752 |  |  |  |  |  |  |  |  |  |
Initial conversion price of notes into common stock (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  | $ 39.56 |  |  | $ 39.56 |  | $ 39.56 |  |  |  |  |
Convertible debt, premium on common stock |  |  |  |  |  |  |  |  | 32.50% |  |  |  |  |  |  |  |  |  |
Market price of principal amount of notes |  |  |  |  |  |  |  |  |  |  |  | 0.979 |  | 0.979 |  |  |  |  |
2.125% Convertible senior notes due May 2029 | Unsecured Debt | Terms one |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Threshold percentage stock price trigger |  |  |  |  |  |  |  |  |  |  |  |  |  | 130.00% |  |  |  |  |
Threshold trading days | trading_day |  |  |  |  |  |  |  |  |  |  |  |  |  | 20 |  |  |  |  |
Threshold consecutive trading days | trading_day |  |  |  |  |  |  |  |  |  |  |  |  |  | 30 |  |  |  |  |
Required principal repayment on conversion |  |  |  |  |  |  |  |  |  |  |  | $ 287,500,000 |  | $ 287,500,000 |  |  |  |  |
2.125% Convertible senior notes due May 2029 | Unsecured Debt | Term two |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Threshold trading days | trading_day |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 |  |  |  |  |
Threshold consecutive trading days | trading_day |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 |  |  |  |  |
Percentage of last reported sale price of common stock |  |  |  |  |  |  |  |  |  |  |  |  |  | 98.00% |  |  |  |  |
2.125% Convertible senior notes due May 2029 | Unsecured Debt | Term three |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Threshold percentage stock price trigger |  |  |  |  |  |  |  |  |  |  |  |  |  | 130.00% |  |  |  |  |
Threshold trading days | trading_day |  |  |  |  |  |  |  |  |  |  |  |  |  | 20 |  |  |  |  |
Threshold consecutive trading days | trading_day |  |  |  |  |  |  |  |  |  |  |  |  |  | 30 |  |  |  |  |
Scheduled trading day | trading_day |  |  |  |  |  |  |  |  |  |  |  | 50 |  | 50 |  |  |  |  |
Repurchase price percent |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |
2.125% Convertible senior notes due May 2029 | Convertible Debt | Capped Call |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cap price (in USD per share) | $ / shares |  |  |  | $ 53.75 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Premium |  |  |  | 80.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
0.750% Convertible senior notes due August 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payment of debt |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | 190,994,000 |  |  |  |
0.750% Convertible senior notes due August 2025 | Unsecured Debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount |  |  |  |  |  |  |  |  |  | $ 402,500,000 |  |  |  |  |  |  |  |  |
Stated rate |  |  |  |  |  |  |  |  |  | 0.75% |  | 0.75% |  | 0.75% |  |  |  |  |
Settlement period - convertible debt conversion request |  |  |  |  |  |  |  |  |  | 40 days |  |  |  |  |  |  |  |  |
Initial conversion rate |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.0139324 |  |  |  |  |
Initial conversion price of notes into common stock (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  | $ 71.78 |  |  |  |  |  |  |  |  |
Convertible debt, premium on common stock |  |  |  |  |  |  |  |  |  | 32.50% |  |  |  |  |  |  |  |  |
Share price (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  | $ 54.17 |  |  |  |  |  |  |  |  |
Market price of principal amount of notes |  |  |  |  |  |  |  |  |  |  |  | 0.993 |  | 0.993 |  |  |  |  |
Repurchased aggregate principal |  |  |  |  |  |  |  |  | $ 200,000,000 |  |  |  |  |  |  |  |  |  |
Payment of debt |  |  |  |  |  |  |  |  | $ 191,400,000 |  |  |  |  |  |  |  |  |  |
Gain (loss) extinguishment of debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 7,500,000 |  |  |
Common stock conversion rate |  |  |  |  |  |  |  |  |  |  |  |  |  | 98.00% |  |  |  |  |
0.750% Convertible senior notes due August 2025 | Unsecured Debt | Debt Conversion Terms Business Day Immediately Preceding February 3, 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Threshold percentage stock price trigger |  |  |  |  |  |  |  |  |  |  |  |  |  | 130.00% |  |  |  |  |
Threshold trading days | trading_day |  |  |  |  |  |  |  |  |  |  |  |  |  | 20 |  |  |  |  |
Threshold consecutive trading days | trading_day |  |  |  |  |  |  |  |  |  |  |  |  |  | 30 |  |  |  |  |
0.750% Convertible senior notes due August 2025 | Unsecured Debt | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding principal balance | $ 202,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
3.375% Convertible senior notes due May 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payment of debt |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 8,641,000 |  |  |  |
3.375% Convertible senior notes due May 2024 | Unsecured Debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of debt |  |  |  |  | $ 8,600,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchase amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 192,600,000 |
3.375% Convertible senior notes due May 2024 | Unsecured Debt | Flexion |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 201,300,000
Stated rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.375%
Revolving Credit Facility | Wells Fargo Bank | Line of Credit | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitment amount |  | 300,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings |  | 2,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility | The Credit Facility | Line of Credit | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings |  | 101,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Letter of Credit | Wells Fargo Bank | Line of Credit | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitment amount |  | 10,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bridge Loan | Wells Fargo Bank | Line of Credit | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitment amount |  | $ 15,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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