RESTRUCTURING AND RELATED COSTS (Reconciliation Of Expenses By Type) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Oct. 01, 2016	Sep. 30, 2017	Oct. 01, 2016
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 1.6	$ 1.1	$ 11.8	$ 3.1
Restructuring-related costs	0.0	0.0	0.7	1.1
Total restructuring and restructuring-related costs	1.6	1.1	12.5	4.2
Commercial and Industrial Systems
Restructuring Cost and Reserve [Line Items]
Total restructuring and restructuring-related costs	1.2	0.2	9.8	1.0
Climate Solutions
Restructuring Cost and Reserve [Line Items]
Total restructuring and restructuring-related costs	0.3	0.2	2.0	2.0
Power Transmission Solutions
Restructuring Cost and Reserve [Line Items]
Total restructuring and restructuring-related costs	0.1	0.7	0.7	1.2
Employee termination expenses
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0.2	(0.1)	3.9	0.4
Facility related costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	1.3	1.0	3.9	1.9
Other expenses
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0.1	0.2	4.0	0.8
Other employment benefit expenses
Restructuring Cost and Reserve [Line Items]
Restructuring-related costs	0.0	0.0	0.7	1.1
Cost of Sales
Restructuring Cost and Reserve [Line Items]
Restructuring costs	1.2	0.1	9.8	1.6
Restructuring-related costs	0.0	0.0	0.7	0.5
Total restructuring and restructuring-related costs	1.2	0.1	10.5	2.1
Cost of Sales | Employee termination expenses
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0.1	0.0	2.5	0.4
Cost of Sales | Facility related costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	1.1	(0.1)	3.4	0.4
Cost of Sales | Other expenses
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0.0	0.2	3.9	0.8
Cost of Sales | Other employment benefit expenses
Restructuring Cost and Reserve [Line Items]
Restructuring-related costs	0.0	0.0	0.7	0.5
Operating Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0.4	1.0	2.0	1.5
Restructuring-related costs	0.0	0.0	0.0	0.6
Total restructuring and restructuring-related costs	0.4	1.0	2.0	2.1
Operating Expenses | Employee termination expenses
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0.1	(0.1)	1.4	0.0
Operating Expenses | Facility related costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0.2	1.1	0.5	1.5
Operating Expenses | Other expenses
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0.1	0.0	0.1	0.0
Operating Expenses | Other employment benefit expenses
Restructuring Cost and Reserve [Line Items]
Restructuring-related costs	$ 0.0	$ 0.0	$ 0.0	$ 0.6