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SEGMENT INFORMATION - Summary of Unallocated Corporate Overhead (Details) - Unallocated corporate - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 24, 2022 | Sep. 25, 2021 | Sep. 24, 2022 | Sep. 25, 2021
Segment Reporting Information [Line Items] |  |  |  |
Stock-based compensation | $ 13,381 | $ 13,258 | $ 30,415 | $ 31,317
Compensation, benefits, and other employee-related expenses | 28,313 | 17,249 | 77,456 | 70,535
External consulting and other service expenses | 4,144 | 6,670 | 13,190 | 20,327
Information technology | 4,359 | 4,074 | 9,912 | 12,286
Depreciation | 559 | 734 | 1,685 | 2,107
Acquisition and integration | 1,059 | 3,392 | 9,899 | 28,988
Other general unallocated corporate | 6,722 | 3,043 | 9,849 | 10,739
Total unallocated corporate expense | $ 58,537 | $ 48,420 | $ 152,406 | $ 176,299

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