SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - PP&E (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 25, 2021	Dec. 26, 2020	Dec. 28, 2019
Long-lived assets
Depreciation expense	$ 70,223	$ 63,890	$ 64,177
Impairment of long-lived assets	$ 27,900
Buildings and improvements | Minimum
Long-lived assets
Estimated useful lives	15 years
Buildings and improvements | Maximum
Long-lived assets
Estimated useful lives	40 years
Machinery and equipment | Minimum
Long-lived assets
Estimated useful lives	3 years
Machinery and equipment | Maximum
Long-lived assets
Estimated useful lives	12 years
Transportation equipment | Minimum
Long-lived assets
Estimated useful lives	3 years
Transportation equipment | Maximum
Long-lived assets
Estimated useful lives	24 years
Office furniture and equipment | Minimum
Long-lived assets
Estimated useful lives	3 years
Office furniture and equipment | Maximum
Long-lived assets
Estimated useful lives	7 years