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GOODWILL AND OTHER INTANGIBLE ASSETS - Estimated Useful Lives of Intangible Assets (Details)
12 Months Ended
Dec. 26, 2020
Non-compete agreements  
Acquired Finite-Lived Intangible Assets  
Weighted average amortization period 10 years 1 month 6 days
Customer relationships  
Acquired Finite-Lived Intangible Assets  
Weighted average amortization period 6 years 3 months 18 days
Licensing agreements  
Acquired Finite-Lived Intangible Assets  
Estimated useful life 10 years
Weighted average amortization period 10 years
Tradename  
Acquired Finite-Lived Intangible Assets  
Weighted average amortization period 11 years 6 months
Software  
Acquired Finite-Lived Intangible Assets  
Weighted average amortization period 3 years 8 months 12 days
Minimum | Non-compete agreements  
Acquired Finite-Lived Intangible Assets  
Estimated useful life 3 years
Minimum | Customer relationships  
Acquired Finite-Lived Intangible Assets  
Estimated useful life 5 years
Minimum | Tradename  
Acquired Finite-Lived Intangible Assets  
Estimated useful life 3 years
Minimum | Software  
Acquired Finite-Lived Intangible Assets  
Estimated useful life 3 years
Maximum | Non-compete agreements  
Acquired Finite-Lived Intangible Assets  
Estimated useful life 15 years
Maximum | Customer relationships  
Acquired Finite-Lived Intangible Assets  
Estimated useful life 15 years
Maximum | Tradename  
Acquired Finite-Lived Intangible Assets  
Estimated useful life 15 years
Maximum | Software  
Acquired Finite-Lived Intangible Assets  
Estimated useful life 5 years