SEGMENT INFORMATION (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 29, 2018	Sep. 30, 2017	Sep. 29, 2018	Sep. 30, 2017	Dec. 30, 2017
Segment Reporting Information [Line Items]
Total Sales	$ 925.4	$ 856.9	$ 2,763.9	$ 2,539.6
Gross Profit	242.6	226.9	724.9	665.2
Operating Expenses	155.0	132.6	449.5	412.7
Goodwill Impairment	9.5	0.0	9.5	0.0
Asset Impairments	8.7	0.0	8.7	0.0
Income From Operations	69.4	94.3	257.2	252.5
Depreciation and Amortization	35.3	34.3	106.3	103.1
Capital Expenditures	18.7	15.3	59.2	49.0
Identifiable assets	4,601.3		4,601.3		$ 4,388.2
Commercial and Industrial Systems
Segment Reporting Information [Line Items]
Total Sales	462.3	408.0	1,345.3	1,196.6
Goodwill Impairment			0.0
Climate Solutions
Segment Reporting Information [Line Items]
Total Sales	255.4	256.0	792.6	774.2
Goodwill Impairment			9.5
Power Transmission Solutions
Segment Reporting Information [Line Items]
Total Sales	207.7	192.9	626.0	568.8
Goodwill Impairment			0.0
Intersegment sales \| Commercial and Industrial Systems
Segment Reporting Information [Line Items]
Total Sales	11.7	16.4	39.3	52.2
Intersegment sales \| Climate Solutions
Segment Reporting Information [Line Items]
Total Sales	5.7	5.0	17.0	19.2
Intersegment sales \| Power Transmission Solutions
Segment Reporting Information [Line Items]
Total Sales	5.6	0.5	17.6	3.4
Operating Segments \| Commercial and Industrial Systems
Segment Reporting Information [Line Items]
Total Sales	474.0	424.4	1,384.6	1,248.8
Gross Profit	109.8	97.9	315.3	285.2
Operating Expenses	74.5	68.4	220.4	209.4
Goodwill Impairment	0.0		0.0
Asset Impairments	0.0		0.0
Income From Operations	35.3	29.5	94.9	75.8
Depreciation and Amortization	16.4	15.2	49.0	45.2
Capital Expenditures	11.3	8.6	31.2	30.3
Identifiable assets	2,081.4	1,854.1	2,081.4	1,854.1
Operating Segments \| Climate Solutions
Segment Reporting Information [Line Items]
Total Sales	261.1	261.0	809.6	793.4
Gross Profit	62.1	66.0	198.7	195.0
Operating Expenses	37.9	26.9	98.2	84.1
Goodwill Impairment	9.5		9.5
Asset Impairments	8.7		8.7
Income From Operations	6.0	39.1	82.3	110.9
Depreciation and Amortization	5.4	5.5	16.0	16.6
Capital Expenditures	3.6	3.1	16.0	9.7
Identifiable assets	898.1	909.9	898.1	909.9
Operating Segments \| Power Transmission Solutions
Segment Reporting Information [Line Items]
Total Sales	213.3	193.4	643.6	572.2
Gross Profit	70.7	63.0	210.9	185.0
Operating Expenses	42.6	37.3	130.9	119.2
Goodwill Impairment	0.0		0.0
Asset Impairments	0.0		0.0
Income From Operations	28.1	25.7	80.0	65.8
Depreciation and Amortization	13.5	13.6	41.3	41.3
Capital Expenditures	3.8	3.6	12.0	9.0
Identifiable assets	1,621.8	1,624.2	1,621.8	1,624.2
Eliminations
Segment Reporting Information [Line Items]
Total Sales	(23.0)	(21.9)	(73.9)	(74.8)
Gross Profit	0.0	0.0	0.0	0.0
Operating Expenses	0.0	0.0	0.0	0.0
Goodwill Impairment	0.0		0.0
Asset Impairments	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
Identifiable assets	$ 4,601.3	$ 4,388.2	$ 4,601.3	$ 4,388.2

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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