BUSINESS SEGMENTS (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 01, 2017	Jul. 02, 2016	Jul. 01, 2017	Jul. 02, 2016	Dec. 31, 2016
Segment Reporting Information [Line Items]
Total Sales	$ 869.2	$ 838.6	$ 1,682.7	$ 1,656.8
Gross Profit	223.0	222.9	438.6	440.3
Operating Expenses	140.0	131.5	280.8	279.6
Income From Operations	83.0	91.4	157.8	160.7
Depreciation and Amortization	34.4	38.9	68.8	79.0
Capital Expenditures	16.7	16.8	33.7	31.7
Identifiable assets	4,483.0		4,483.0		$ 4,358.5
Commercial and Industrial Systems
Segment Reporting Information [Line Items]
Total Sales	407.4	394.7	788.6	772.3
Identifiable assets	1,926.2		1,926.2		1,872.7
Climate Solutions
Segment Reporting Information [Line Items]
Total Sales	270.5	254.5	518.2	494.3
Identifiable assets	946.1		946.1		881.8
Power Transmission Solutions
Segment Reporting Information [Line Items]
Total Sales	191.3	189.4	375.9	390.2
Identifiable assets	1,610.7		1,610.7		$ 1,604.0
Intersegment sales | Commercial and Industrial Systems
Segment Reporting Information [Line Items]
Total Sales	19.9	11.4	35.8	22.7
Intersegment sales | Climate Solutions
Segment Reporting Information [Line Items]
Total Sales	6.0	7.0	14.2	12.2
Intersegment sales | Power Transmission Solutions
Segment Reporting Information [Line Items]
Total Sales	2.2	1.1	2.9	2.0
Operating Segments | Commercial and Industrial Systems
Segment Reporting Information [Line Items]
Total Sales	427.3	406.1	824.4	795.0
Gross Profit	91.9	96.2	187.5	189.8
Operating Expenses	71.3	71.1	141.1	143.0
Income From Operations	20.6	25.1	46.4	46.8
Depreciation and Amortization	14.8	19.2	30.0	38.9
Capital Expenditures	11.1	9.6	21.7	16.9
Operating Segments | Climate Solutions
Segment Reporting Information [Line Items]
Total Sales	276.5	261.5	532.4	506.5
Gross Profit	68.3	64.7	129.0	120.9
Operating Expenses	28.1	28.6	57.6	60.2
Income From Operations	40.2	36.1	71.4	60.7
Depreciation and Amortization	5.6	6.5	11.1	12.7
Capital Expenditures	2.3	3.6	6.6	7.5
Operating Segments | Power Transmission Solutions
Segment Reporting Information [Line Items]
Total Sales	193.5	190.5	378.8	392.2
Gross Profit	62.8	62.0	122.1	129.6
Operating Expenses	40.6	31.8	82.1	76.4
Income From Operations	22.2	30.2	40.0	53.2
Depreciation and Amortization	14.0	13.2	27.7	27.4
Capital Expenditures	3.3	3.6	5.4	7.3
Eliminations
Segment Reporting Information [Line Items]
Total Sales	(28.1)	(19.5)	(52.9)	(36.9)
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