RESTRUCTURING AND RELATED COSTS (Reconciliation Of Expenses By Type) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 01, 2017	Jul. 02, 2016	Jul. 01, 2017	Jul. 02, 2016
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 7.5	$ 1.7	$ 10.2	$ 2.0
Restructuring-related costs	0.2	0.0	0.7	1.1
Total restructuring and restructuring-related costs	7.7	1.7	10.9	3.1
Commercial and Industrial Systems
Restructuring Cost and Reserve [Line Items]
Total restructuring and restructuring-related costs	6.9	0.7	8.6	0.8
Climate Solutions
Restructuring Cost and Reserve [Line Items]
Total restructuring and restructuring-related costs	0.6	0.5	1.7	1.8
Power Transmission Solutions
Restructuring Cost and Reserve [Line Items]
Total restructuring and restructuring-related costs	0.2	0.5	0.6	0.5
Employee termination expenses
Restructuring Cost and Reserve [Line Items]
Restructuring costs	1.9	0.3	3.7	0.5
Facility related costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	1.7	0.8	2.6	0.9
Other expenses
Restructuring Cost and Reserve [Line Items]
Restructuring costs	3.9	0.6	3.9	0.6
Other employment benefit expenses
Restructuring Cost and Reserve [Line Items]
Restructuring-related costs	0.2	0.0	0.7	1.1
Cost of Sales
Restructuring Cost and Reserve [Line Items]
Restructuring costs	6.7	1.2	8.6	1.5
Restructuring-related costs	0.2	0.0	0.7	0.5
Total restructuring and restructuring-related costs	6.9	1.2	9.3	2.0
Cost of Sales | Employee termination expenses
Restructuring Cost and Reserve [Line Items]
Restructuring costs	1.2	0.2	2.4	0.4
Cost of Sales | Facility related costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	1.6	0.4	2.3	0.5
Cost of Sales | Other expenses
Restructuring Cost and Reserve [Line Items]
Restructuring costs	3.9	0.6	3.9	0.6
Cost of Sales | Other employment benefit expenses
Restructuring Cost and Reserve [Line Items]
Restructuring-related costs	0.2	0.0	0.7	0.5
Operating Expense
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0.8	0.5	1.6	0.5
Restructuring-related costs	0.0	0.0	0.0	0.6
Total restructuring and restructuring-related costs	0.8	0.5	1.6	1.1
Operating Expense | Employee termination expenses
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0.7	0.1	1.3	0.1
Operating Expense | Facility related costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0.1	0.4	0.3	0.4
Operating Expense | Other expenses
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0.0	0.0	0.0	0.0
Operating Expense | Other employment benefit expenses
Restructuring Cost and Reserve [Line Items]
Restructuring-related costs	$ 0.0	$ 0.0	$ 0.0	$ 0.6