GOODWILL AND INTANGIBLE ASSETS - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands |
Sep. 26, 2026 |
Dec. 27, 2025 |
|---|---|---|
| Other intangible assets | ||
| Gross | $ 1,053,626 | $ 1,497,797 |
| Accumulated Amortization | (814,964) | (1,157,802) |
| Net | 238,662 | 339,995 |
| Client relationships | ||
| Other intangible assets | ||
| Gross | 899,826 | 1,325,779 |
| Accumulated Amortization | (692,388) | (1,016,198) |
| Net | 207,438 | 309,581 |
| Technology | ||
| Other intangible assets | ||
| Gross | 130,865 | 142,084 |
| Accumulated Amortization | (108,272) | (124,172) |
| Net | 22,593 | 17,912 |
| Trademarks and trade names | ||
| Other intangible assets | ||
| Gross | 4,721 | 8,882 |
| Accumulated Amortization | (3,474) | (6,869) |
| Net | 1,247 | 2,013 |
| Other | ||
| Other intangible assets | ||
| Gross | 18,214 | 21,052 |
| Accumulated Amortization | (10,830) | (10,563) |
| Net | $ 7,384 | $ 10,489 |