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Segment Information (Schedule of Financial Information Attributable To The Reporting Segments) (Details) - USD ($) $ in Millions	3 Months Ended				12 Months Ended
	Dec. 30, 2017	Sep. 30, 2017	Jul. 01, 2017	Apr. 01, 2017	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
Segment Reporting Information [Line Items]
Net Sales	$ 881.7	$ 925.4	$ 959.7	$ 878.8	$ 3,645.6	$ 3,360.3	$ 3,224.5
Gross Profit	239.7	242.6	247.4	234.9	964.6	883.6	865.0
Operating Expenses					599.4	552.5	542.5
Goodwill Impairment					9.5	0.0	0.0
Asset Impairments					8.7	0.0	0.0
Income from Operations	89.8	69.4	99.6	88.2	347.0	331.1	322.5
Depreciation and Amortization					142.4	137.2	155.4
Capital Expenditures					77.6	65.2	65.2
Commercial and Industrial Systems
Segment Reporting Information [Line Items]
Net Sales	436.7	462.3	469.0	414.0	1,782.0	1,604.3	1,530.9
Goodwill Impairment					0.0
Income from Operations	32.1	35.3	30.5	29.1
Climate Solutions
Segment Reporting Information [Line Items]
Net Sales	232.2	255.4	277.3	259.9	1,024.8	990.6	960.0
Goodwill Impairment					9.5
Income from Operations	33.3	6.0	44.0	32.3
Power Transmission Solutions
Segment Reporting Information [Line Items]
Net Sales	212.8	207.7	213.4	204.9	838.8	765.4	733.6
Goodwill Impairment					0.0
Income from Operations	$ 24.4	$ 28.1	$ 25.1	$ 26.8
Operating Segments \| Commercial and Industrial Systems
Segment Reporting Information [Line Items]
Net Sales					1,832.9	1,670.8	1,580.1
Gross Profit					423.4	376.8	378.7
Operating Expenses					296.4	277.0	275.4
Goodwill Impairment					0.0
Asset Impairments					0.0
Income from Operations					127.0	99.8	103.3
Depreciation and Amortization					67.0	59.8	74.7
Capital Expenditures					41.8	39.2	36.6
Operating Segments \| Climate Solutions
Segment Reporting Information [Line Items]
Net Sales					1,046.9	1,015.5	984.1
Gross Profit					262.7	255.4	245.3
Operating Expenses					128.9	113.9	114.5
Goodwill Impairment					9.5
Asset Impairments					8.7
Income from Operations					115.6	141.5	130.8
Depreciation and Amortization					21.0	22.1	24.4
Capital Expenditures					17.7	13.4	15.0
Operating Segments \| Power Transmission Solutions
Segment Reporting Information [Line Items]
Net Sales					862.9	769.9	737.9
Gross Profit					278.5	251.4	241.0
Operating Expenses					174.1	161.6	152.6
Goodwill Impairment					0.0
Asset Impairments					0.0
Income from Operations					104.4	89.8	88.4
Depreciation and Amortization					54.4	55.3	56.3
Capital Expenditures					18.1	12.6	13.6
Intersegment Eliminations
Segment Reporting Information [Line Items]
Net Sales					(97.1)	(95.9)	(77.6)
Intersegment Eliminations \| Commercial and Industrial Systems
Segment Reporting Information [Line Items]
Net Sales					50.9	66.5	49.2
Intersegment Eliminations \| Climate Solutions
Segment Reporting Information [Line Items]
Net Sales					22.1	24.9	24.1
Intersegment Eliminations \| Power Transmission Solutions
Segment Reporting Information [Line Items]
Net Sales					$ 24.1	$ 4.5	$ 4.3