RESTRUCTURING ACTIVITIES (Reconciliation Of Expenses By Type) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 02, 2021	Sep. 26, 2020	Oct. 02, 2021	Sep. 26, 2020
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 2.2	$ 5.8	$ 5.4	$ 18.7
Total restructuring and restructuring-related costs	2.2	5.8	5.4	18.7
Commercial Systems
Restructuring Cost and Reserve [Line Items]
Total restructuring and restructuring-related costs	0.1	0.7	0.4	4.8
Industrial Systems
Restructuring Cost and Reserve [Line Items]
Total restructuring and restructuring-related costs	0.8	2.3	1.6	5.2
Climate Solutions
Restructuring Cost and Reserve [Line Items]
Total restructuring and restructuring-related costs	0.1	0.8	0.7	3.2
Power Transmission Solutions
Restructuring Cost and Reserve [Line Items]
Total restructuring and restructuring-related costs	1.2	2.0	2.7	5.5
Employee Termination Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0.4	2.0	1.4	7.9
Facility Related Costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	1.5	4.1	3.4	10.8
Other Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0.3	(0.3)	0.6	0.0
Cost of Sales
Restructuring Cost and Reserve [Line Items]
Restructuring costs	1.9	4.0	4.2	13.1
Cost of Sales | Employee Termination Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0.2	1.5	0.6	4.4
Cost of Sales | Facility Related Costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	1.5	2.5	3.1	8.4
Cost of Sales | Other Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0.2	0.0	0.5	0.3
Operating Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0.3	1.8	1.2	5.6
Operating Expenses | Employee Termination Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0.2	0.5	0.8	3.5
Operating Expenses | Facility Related Costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0.0	1.6	0.3	2.4
Operating Expenses | Other Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 0.1	$ (0.3)	$ 0.1	$ (0.3)