RESTRUCTURING ACTIVITIES (Reconciliation Of Expenses By Type) (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 03, 2021	Mar. 28, 2020
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 1.7	$ 5.1
Total restructuring and restructuring-related costs	1.7	5.1
Commercial Systems
Restructuring Cost and Reserve [Line Items]
Total restructuring and restructuring-related costs	0.2	1.8
Industrial Systems
Restructuring Cost and Reserve [Line Items]
Total restructuring and restructuring-related costs	0.5	0.9
Climate Solutions
Restructuring Cost and Reserve [Line Items]
Total restructuring and restructuring-related costs	0.3	1.1
Power Transmission Solutions
Restructuring Cost and Reserve [Line Items]
Total restructuring and restructuring-related costs	0.7	1.3
Employee Termination Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0.6	1.9
Facility Related Costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	1.0	3.1
Other Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0.1	0.1
Cost of Sales
Restructuring Cost and Reserve [Line Items]
Restructuring costs	1.1	4.3
Cost of Sales | Employee Termination Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0.2	1.5
Cost of Sales | Facility Related Costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0.8	2.7
Cost of Sales | Other Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0.1	0.1
Operating Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0.6	0.8
Operating Expenses | Employee Termination Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0.4	0.4
Operating Expenses | Facility Related Costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0.2	0.4
Operating Expenses | Other Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 0.0	$ 0.0