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RESTRUCTURING AND FACILITIES CONSOLIDATION INITIATIVES - Narrative (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 USD ($) employee | Dec. 31, 2021 USD ($) employee | Dec. 31, 2020 USD ($) employee
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring and related | $ 10,833 | $ 11,653 | $ 16,235
Accelerated amortization of lease assets due to cease-use | 1,611 | 1,325 | $ 605
Restructuring reserve current | 1,300 | 1,900 |
Long-term portions of accrued restructuring | 2,000 | 1,600 |
2022 Restructuring Initiative |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring and related | 10,197 |  |
Restructuring and related expense | 8,000 |  |
Net transfer to operating lease accounts | (1,611) |  |
2022 Restructuring Initiative | Severance |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring and related | $ 5,287 |  |
Number of positions eliminated | employee | 70 |  |
Net transfer to operating lease accounts | $ 0 |  |
2022 Restructuring Initiative | Variable and other facilities-related costs |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring and related | 3,299 |  |
Net transfer to operating lease accounts | 0 |  |
2022 Restructuring Initiative | Accelerated amortization of lease assets due to cease-use |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring and related | 1,611 |  |
Net transfer to operating lease accounts | (1,611) |  |
2022 Restructuring Initiative | Facilities |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Accelerated amortization of lease assets due to cease-use | 1,600 |  |
2020 Restructuring Initiative |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring and related | 34 | 5,360 |
Net transfer to operating lease accounts | 57 | 670 |
Restructuring charges, net of adjustments | 100 | 4,700 |
2020 Restructuring Initiative | Severance |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring and related | 0 | $ 4,618 |
Number of positions eliminated | employee |  | 60 |
Net transfer to operating lease accounts | 57 | $ 0 |
2020 Restructuring Initiative | Variable and other facilities-related costs |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring and related |  | 100 |
2020 Restructuring Initiative | Facilities |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring and related | 34 | 742 |
Accelerated amortization of lease assets due to cease-use |  | 800 |
Net transfer to operating lease accounts | 0 | 670 |
2019 Restructuring Initiative |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring and related | 658 | 9,006 |
Number of positions eliminated | employee |  |  | 5
Accelerated amortization of lease assets due to cease-use |  | 1,300 | $ 100
Net transfer to operating lease accounts | 0 | 1,325 |
Restructuring charges, net of adjustments | 700 | 7,000 | 2,300
2019 Restructuring Initiative | North Carolina Amended Lease |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Net transfer to operating lease accounts |  | 2,100 |
2019 Restructuring Initiative | Severance |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring and related | 0 | 0 |
Net transfer to operating lease accounts | 0 | 0 |
Restructuring charges, net of adjustments |  |  | 500
2019 Restructuring Initiative | Facilities |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring and related | 658 | 9,006 |
Accelerated amortization of lease assets due to cease-use |  | 3,400 | 600
Net transfer to operating lease accounts | $ 0 | 1,325 |
Restructuring charges, net of adjustments |  | $ 5,700 | $ 1,700

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