NATURE OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Nature of Business (Details)	12 Months Ended
	Dec. 29, 2018 item
INDUSTRY SEGMENT INFORMATION
Number of industry groups in which the entity operates	2
Number of companies collectively referred to as TMC	3
Combined Construction Products
INDUSTRY SEGMENT INFORMATION
Number of reportable segments	2
Combined HVAC Products
INDUSTRY SEGMENT INFORMATION
Number of reportable segments	2