ACQUISITIONS - Identifiable Intangible Assets Acquired (Details) - USD ($) $ in Thousands |
9 Months Ended | |
|---|---|---|
Sep. 27, 2020 |
Sep. 29, 2019 |
|
| Acquired Indefinite-lived Intangible Assets [Line Items] | ||
| Identifiable intangible assets | $ 49,445 | $ 23,715 |
| Trademarks | ||
| Acquired Indefinite-lived Intangible Assets [Line Items] | ||
| Identifiable intangible assets | $ 11,230 | 5,453 |
| Customer relationships | ||
| Acquired Indefinite-lived Intangible Assets [Line Items] | ||
| Estimated Useful Life (in years) | 10 years | |
| Identifiable intangible assets | $ 37,723 | 18,112 |
| Non-compete agreements | ||
| Acquired Indefinite-lived Intangible Assets [Line Items] | ||
| Estimated Useful Life (in years) | 5 years | |
| Identifiable intangible assets | $ 492 | $ 150 |