BUSINESS SEGMENTS (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Oct. 01, 2016	Sep. 30, 2017	Oct. 01, 2016	Dec. 31, 2016
Segment Reporting Information [Line Items]
Total Sales	$ 856.9	$ 809.6	$ 2,539.6	$ 2,466.4
Gross Profit	227.0	231.7	665.6	672.0
Operating Expenses	133.0	141.9	413.8	421.5
Income From Operations	94.0	89.8	251.8	250.5
Depreciation and Amortization	34.3	37.6	103.1	116.6
Capital Expenditures	15.3	14.4	49.0	46.1
Identifiable assets	4,464.0		4,464.0		$ 4,358.5
Commercial and Industrial Systems
Segment Reporting Information [Line Items]
Total Sales	408.0	389.4	1,196.6	1,161.7
Identifiable assets	1,905.7		1,905.7		1,872.7
Climate Solutions
Segment Reporting Information [Line Items]
Total Sales	256.0	250.5	774.2	744.8
Identifiable assets	934.8		934.8		881.8
Power Transmission Solutions
Segment Reporting Information [Line Items]
Total Sales	192.9	169.7	568.8	559.9
Identifiable assets	1,623.5		1,623.5		$ 1,604.0
Intersegment sales | Commercial and Industrial Systems
Segment Reporting Information [Line Items]
Total Sales	16.4	10.8	52.2	33.5
Intersegment sales | Climate Solutions
Segment Reporting Information [Line Items]
Total Sales	5.0	5.7	19.2	17.9
Intersegment sales | Power Transmission Solutions
Segment Reporting Information [Line Items]
Total Sales	0.5	1.1	3.4	3.1
Operating Segments | Commercial and Industrial Systems
Segment Reporting Information [Line Items]
Total Sales	424.4	400.2	1,248.8	1,195.2
Gross Profit	98.0	105.4	285.5	295.2
Operating Expenses	68.4	69.2	209.5	212.2
Income From Operations	29.6	36.2	76.0	83.0
Depreciation and Amortization	15.2	17.7	45.2	56.6
Capital Expenditures	8.6	9.6	30.3	26.5
Operating Segments | Climate Solutions
Segment Reporting Information [Line Items]
Total Sales	261.0	256.2	793.4	762.7
Gross Profit	65.8	71.4	194.8	192.3
Operating Expenses	27.0	29.2	84.6	89.4
Income From Operations	38.8	42.2	110.2	102.9
Depreciation and Amortization	5.5	4.9	16.6	17.6
Capital Expenditures	3.1	2.6	9.7	10.1
Operating Segments | Power Transmission Solutions
Segment Reporting Information [Line Items]
Total Sales	193.4	170.8	572.2	563.0
Gross Profit	63.2	54.9	185.3	184.5
Operating Expenses	37.6	43.5	119.7	119.9
Income From Operations	25.6	11.4	65.6	64.6
Depreciation and Amortization	13.6	15.0	41.3	42.4
Capital Expenditures	3.6	2.2	9.0	9.5
Eliminations
Segment Reporting Information [Line Items]
Total Sales	(21.9)	(17.6)	(74.8)	(54.5)
Gross Profit	0.0	0.0	0.0	0.0
Operating Expenses	0.0	0.0	0.0	0.0
Income From Operations	0.0	0.0	0.0	0.0
Depreciation and Amortization	0.0	0.0	0.0	0.0
Capital Expenditures	$ 0.0	$ 0.0	$ 0.0	$ 0.0