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RESTRUCTURING AND RELATED CHARGES - Schedule of Restructuring Costs by Segment (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Restructuring Cost and Reserve [Line Items] |  |  |
Employee Severance and Benefit Costs (Credits) | $ 28,803 | $ 38,001 |
Legal and Advisory Costs | 2,377 | 2,137 |
Property, Equipment and Software Impairments | 870 | 5,613 |
Right-of-Use Asset Impairments and Lease-related Charges (Credits) | 9,845 | 19,085 |
Total Restructuring Charges (Credits) | 41,895 | 64,836 | $ 31
North America |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Employee Severance and Benefit Costs (Credits) | 458 | 17,322 |
Legal and Advisory Costs | 1,696 | 1,308 |
Property, Equipment and Software Impairments | 602 | 5,322 |
Right-of-Use Asset Impairments and Lease-related Charges (Credits) | 7,278 | 13,775 |
Total Restructuring Charges (Credits) | 10,034 | 37,727 |
International |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Employee Severance and Benefit Costs (Credits) | 28,345 | 20,679 |
Legal and Advisory Costs | 681 | 829 |
Property, Equipment and Software Impairments | 268 | 291 |
Right-of-Use Asset Impairments and Lease-related Charges (Credits) | 2,567 | 5,310 |
Total Restructuring Charges (Credits) | $ 31,861 | $ 27,109 |

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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Includes, but is not limited to, one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and termination benefits associated with an ongoing benefit arrangement. Excludes expenses associated with special or contractual termination benefits, a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
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- Definition Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
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