BASIS OF PRESENTATION - Schedule of Accounting Changes (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2018	Apr. 01, 2017	Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016
Segment Reporting Information [Line Items]
Cost of Sales	$ 643.9	$ 598.0	$ 2,476.7	$ 2,359.5	$ 2,576.0
Operating Expenses	146.7	140.5	552.5	542.5	596.8
Other Expenses, net	$ 0.4	$ 0.2	1.0	1.9	4.2
Commercial and Industrial Systems
Segment Reporting Information [Line Items]
Cost of Sales			1,227.5	1,152.2	1,253.7
Operating Expenses			277.0	275.4	305.5
Climate Solutions
Segment Reporting Information [Line Items]
Cost of Sales			735.2	714.7	778.8
Operating Expenses			113.9	114.5	114.7
Power Transmission Solutions
Segment Reporting Information [Line Items]
Cost of Sales			514.0	492.6	543.5
Operating Expenses			161.6	152.6	176.6
Accounting Standards Update 2017-07 | Reported
Segment Reporting Information [Line Items]
Cost of Sales			2,476.2	2,359.3	2,576.5
Operating Expenses			554.0	544.6	600.5
Other Expenses, net			0.0	0.0	0.0
Accounting Standards Update 2017-07 | Reported | Commercial and Industrial Systems
Segment Reporting Information [Line Items]
Cost of Sales			1,227.0	1,151.7	1,253.8
Operating Expenses			277.3	275.7	307.2
Accounting Standards Update 2017-07 | Reported | Climate Solutions
Segment Reporting Information [Line Items]
Cost of Sales			735.4	714.9	779.0
Operating Expenses			114.6	115.2	115.6
Accounting Standards Update 2017-07 | Reported | Power Transmission Solutions
Segment Reporting Information [Line Items]
Cost of Sales			513.8	492.7	543.7
Operating Expenses			162.1	153.7	177.7
Accounting Standards Update 2017-07 | Adjustment
Segment Reporting Information [Line Items]
Cost of Sales			0.5	0.2	(0.5)
Operating Expenses			(1.5)	(2.1)	(3.7)
Other Expenses, net			1.0	1.9	4.2
Accounting Standards Update 2017-07 | Adjustment | Commercial and Industrial Systems
Segment Reporting Information [Line Items]
Cost of Sales			0.5	0.5	(0.1)
Operating Expenses			(0.3)	(0.3)	(1.7)
Accounting Standards Update 2017-07 | Adjustment | Climate Solutions
Segment Reporting Information [Line Items]
Cost of Sales			(0.2)	(0.2)	(0.2)
Operating Expenses			(0.7)	(0.7)	(0.9)
Accounting Standards Update 2017-07 | Adjustment | Power Transmission Solutions
Segment Reporting Information [Line Items]
Cost of Sales			0.2	(0.1)	(0.2)
Operating Expenses			$ (0.5)	$ (1.1)	$ (1.1)