SPECIAL CHARGES, NET - Special Charges (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 02, 2022	Apr. 03, 2021
Special Charges, Net
Special charges, net	$ 0.0	$ 0.2
Operating Segments | HVAC reportable segment
Special Charges, Net
Special charges, net	0.0	0.0
Operating Segments | Detection and Measurement reportable segment
Special Charges, Net
Special charges, net	0.0	0.2
Corporate expense
Special Charges, Net
Special charges, net	$ 0.0	$ 0.0