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SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) |  |  |  |  |  | 3 Months Ended | 6 Months Ended | 24 Months Ended | 40 Months Ended |  |  |  |  |  |  |  |  |  |
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Apr. 30, 2023 shares | Nov. 01, 2022 USD ($) | Jan. 20, 2022 USD ($) loan shares | Nov. 05, 2019 USD ($) | Feb. 01, 2018 USD ($) shares | Jun. 30, 2023 USD ($) jointVenture incentivePlan security $ / shares | Jun. 30, 2022 USD ($) | Jun. 30, 2023 USD ($) jointVenture incentivePlan security $ / shares | Jun. 30, 2022 USD ($) | Oct. 31, 2025 USD ($) | Mar. 31, 2022 USD ($) | Oct. 31, 2023 USD ($) | Jul. 07, 2023 USD ($) shares | Jun. 07, 2023 shares | Apr. 27, 2023 shares | Mar. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Oct. 01, 2022 USD ($) | Jul. 01, 2020 USD ($) | Dec. 21, 2019 shares | Jun. 30, 2019 USD ($) agreement | Jan. 01, 2019 USD ($)
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts receivable, factoring receivable |  |  |  |  |  | $ 15,000,000 |  | $ 15,000,000 |  |  |  |  |  |  |  |  | $ 15,400,000 |  |  |  |  |
Deferred financing costs, net of accumulated amortization |  |  |  |  |  | 2,000,000 |  | 2,000,000 |  |  |  |  |  |  |  |  | 2,300,000 |  |  |  |  |
Goodwill |  |  |  |  |  | 687,879,000 |  | 687,879,000 |  |  |  |  |  |  |  |  | 677,665,000 |  |  |  |  |
Intangible asset amortization expense |  |  |  |  |  |  |  | 6,000,000 | $ 4,800,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Income tax expense (benefit) |  |  |  |  |  | $ 614,000 | $ (3,403,000) | $ (521,000) | $ (4,900,000) |  |  |  |  |  |  |  |  |  |  |  |  |
Effective tax rate |  |  |  |  |  | (4.40%) | 19.70% | 65.50% | 18.10% |  |  |  |  |  |  |  |  |  |  |  |  |
Number of plans | incentivePlan |  |  |  |  |  | 1 |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares authorized (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,100,000 |  |  |  |  |  |  |  |
Amount of loss recognized in income on derivative (current period ineffective portion) |  |  |  |  |  | $ 593,159,000 |  | $ 593,159,000 |  |  |  |  |  |  |  |  | 332,995,000 |  |  |  |  |
Share price (in dollars per share) | $ / shares |  |  |  |  |  | $ 32.62 |  | $ 32.62 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facilities outstanding |  |  |  |  |  | $ 0 |  | $ 0 |  |  |  |  |  |  |  |  | 0 |  |  |  |  |
Number of securities without readily determinable fair value | security |  |  |  |  |  | 3 |  | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of unconsolidated joint ventures | jointVenture |  |  |  |  |  | 13 |  | 13 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Management service fees |  |  |  |  |  | $ 4,000,000 | $ 5,600,000 | $ 8,200,000 | $ 11,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Medic Vision |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total net assets |  |  |  |  |  | $ 1,200,000 |  | $ 1,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage |  |  |  |  |  | 14.21% |  | 14.21% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Turner Imaging Systems |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares purchased (in shares) | shares |  |  |  |  | 2,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to acquire equity method investments |  |  |  |  | $ 2,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock issued upon conversion (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 80,000 |  |
Turner Imaging Systems | Promissory Note |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Short-term debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 100,000
WhiteRabbit.ai Inc. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to acquire equity method investments |  |  |  | $ 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to fund loan to related parties |  |  |  | $ 2,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility | Barclays |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred financing costs, net of accumulated amortization |  |  |  |  |  | $ 2,000,000 |  | $ 2,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility | First Lien Credit Agreement | Barclays | Line of Credit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facilities outstanding |  |  |  |  |  | 0 |  | 0 |  |  |  |  |  |  |  |  | 0 |  |  |  |  |
Aidence |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Range of outcomes (upto) |  |  | $ 10,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of identified milestones | loan |  |  | 2,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Milestone contingent consideration |  |  |  |  |  | 7,191,000 |  | 7,191,000 |  |  |  |  |  |  |  | $ 11,316,000 | 11,158,000 |  |  |  |  |
Percent of FDA approval and payout, milestone one |  |  | 80.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percent of FDA approval and payout, milestone two |  |  | 70.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aidence | Contingent Milestone Consideration |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Milestone contingent consideration |  |  |  |  |  | 7,200,000 |  | 7,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aidence | General Holdback |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Milestone contingent consideration |  |  |  |  |  | 4,000,000 |  | 4,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Quantib |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Milestone contingent consideration |  |  |  |  |  | 5,271,000 |  | 5,271,000 |  |  |  |  |  |  |  | 4,411,000 | 3,709,000 |  |  |  |  |
Shares issued (in shares) | shares |  |  | 965,058 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contingent consideration, liability, period |  |  | 18 months |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional number of shares issued (in shares) | shares |  |  | 113,303 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of additional shares issued after execution |  |  | $ 3,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Quantib | Contingent Milestone Consideration |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Milestone contingent consideration |  |  |  |  |  | 3,700,000 |  | 3,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Quantib | General Holdback |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Milestone contingent consideration |  |  |  |  |  | 1,600,000 |  | 1,600,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Quantib | Stock Holdback | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Milestone contingent consideration |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,200,000 |  |  |  |  |  |  |  |  |
Additional number of shares issued (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  |  | 113,303 |  |  |  |  |  |  |  |  |
Montclair |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Milestone contingent consideration |  |  |  |  |  | 0 |  | 0 |  |  |  |  |  |  |  | 1,200,000 | 1,200,000 | $ 1,200,000 |  |  |  |
Contingent consideration settlement |  |  |  |  |  | 1,200,000 |  | 1,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Heart and Lung Limited |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Milestone contingent consideration |  |  |  |  |  | 14,358,000 |  | 14,358,000 |  |  |  |  |  |  |  | $ 13,130,000 | $ 11,656,000 |  |  |  |  |
Contingent consideration, liability, period |  | 24 months |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, percentage of voting interests acquired |  | 75.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Heart and Lung Limited | Contingent Milestone Consideration |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Milestone contingent consideration |  | $ 10,200,000 |  |  |  | $ 14,400,000 |  | $ 14,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Heart and Lung Limited | Cash Holdback |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Milestone contingent consideration |  | $ 600,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aidence |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued (in shares) | shares |  |  | 1,141,234 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aidence | General Holdback |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued (in shares) | shares | 144,227 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Forecast |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Monthly amortization of deferred hedge gains |  |  |  |  |  |  |  |  |  | $ 300,000 |  | $ 400,000 |  |  |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Loss, net of taxes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of loss recognized in income on derivative (current period ineffective portion) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 24,400,000 |  |  |
2019 SWAPS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of forward interest rate cap agreements | agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4 |
Notional amounts |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 500,000,000 |
2019 SWAPS | 2019 Swaps - Interest Rate Contracts |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amounts |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 100,000,000 |
2019 SWAPS | 2019 Swaps - Interest Rate Contracts | Term SOFR Loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.89% |
2019 SWAPS | October 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of forward interest rate cap agreements | agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |
Notional amounts |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 50,000,000 |
2019 SWAPS | October 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of forward interest rate cap agreements | agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |
Notional amounts |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 200,000,000 |
2019 SWAPS-1 | 2019 Swaps - Interest Rate Contracts |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amounts |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 400,000,000 |
2019 SWAPS-1 | 2019 Swaps - Interest Rate Contracts | Term SOFR Loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.98% |
Restated Plan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares authorized (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,100,000 |  |  |  |  |  |  |
Management Service Contracts |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Useful life |  |  |  |  |  | 25 years |  | 25 years |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based payment award, award vesting period |  |  |  |  |  |  |  | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based payment award, expiration period |  |  |  |  |  |  |  | 5 years |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum | Dignity Health | Joint Venture | Glendale Advanced Imaging |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Variable interest entity, ownership percentage |  |  |  |  |  |  |  | 35.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum | Amounts Returned to Property and Equipment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
PPE estimated useful lives |  |  |  |  |  | 3 years |  | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum | Leasehold Improvements |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
PPE estimated useful lives |  |  |  |  |  | 3 years |  | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based payment award, award vesting period |  |  |  |  |  |  |  | 5 years |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based payment award, expiration period |  |  |  |  |  |  |  | 10 years |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum | Dignity Health | Joint Venture | Glendale Advanced Imaging |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Variable interest entity, ownership percentage |  |  |  |  |  |  |  | 55.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum | Amounts Returned to Property and Equipment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
PPE estimated useful lives |  |  |  |  |  | 15 years |  | 15 years |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum | Leasehold Improvements |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
PPE estimated useful lives |  |  |  |  |  | 15 years |  | 15 years |  |  |  |  |  |  |  |  |  |  |  |  |  |
COVID-19 Pandemic |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Advance medicare payments |  |  |  |  |  |  |  |  |  |  | $ 39,600,000 |  |  |  |  |  |  |  |  |  |  |
Repayment of advance medicare payments |  |  |  |  |  |  |  | $ 38,600,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |

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