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RESTRUCTURING, IMPAIRMENT AND OTHER CHARGES - Narrative (Details) $ in Thousands | 3 Months Ended
--- | ---
Jun. 30, 2023 USD ($) leasedOfficeSpace | Mar. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Sep. 30, 2022 USD ($) | Jun. 30, 2022 USD ($) | Jun. 30, 2020 USD ($)
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring charges and adjustments | $ 88 |  |  |  | $ 739 |
Number of leased office space exited | leasedOfficeSpace | 8 |  |  |  |  |
ROU asset group impairments |  | $ 24,600 | $ 24,600 | $ 24,600 |  |
Operating lease, ROU asset, impairment loss | $ 20,500 |  |  |  |  |
Leasehold improvements | 4,100 |  |  |  |  |
Employee Severance |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring reserve | 100 |  |  |  |  |
Employee Severance | Restructuring Activity 2020 |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring charges and adjustments | 7,800 |  |  |  |  | $ 1,700
Facility Closing |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring charges and adjustments | 2,900 |  |  |  |  |
Restructuring reserve | 2,100 |  |  |  |  |
Facility Closing | Restructuring Activity 2017 |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring charges and adjustments | 7,300 |  |  |  |  |
Restructuring reserve | $ 1,900 |  |  |  |  |
United States |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Number of leased office space exited | leasedOfficeSpace | 5 |  |  |  |  |
United States | Employee Severance |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring charges and adjustments | $ 100 |  |  |  |  |
Restructuring reserve related charges |  |  |  |  |  | $ 1,700
MASSACHUSETTS |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Number of leased office space exited | leasedOfficeSpace | 1 |  |  |  |  |
PENNSYLVANIA |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Number of leased office space exited | leasedOfficeSpace | 1 |  |  |  |  |
Phoenix |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Number of leased office space exited | leasedOfficeSpace | 1 |  |  |  |  |
CALIFORNIA |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Number of leased office space exited | leasedOfficeSpace | 2 |  |  |  |  |
Europe |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Number of leased office space exited | leasedOfficeSpace | 3 |  |  |  |  |
NETHERLANDS |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Number of leased office space exited | leasedOfficeSpace | 1 |  |  |  |  |
London, England |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Number of leased office space exited | leasedOfficeSpace | 1 |  |  |  |  |
Paris And France |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Number of leased office space exited | leasedOfficeSpace | 1 |  |  |  |  |

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