Reportable Business Segments (Details 1) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Net Sales
Net Sales	$ 955.0	$ 898.4	$ 2,633.3	$ 2,554.6
Segment Profit (Loss)
Subtotal that includes segment profit and eliminations	131.2	110.6	296.9	264.6
Reconciliation to income from continuing operations before income taxes:
Special product quality adjustment	0.7	0.2	(0.6)	(0.1)
Items in (Gains) losses and other expenses, net that are excluded from segment profit	3.9	1.8	10.8	2.8
Restructuring charges	(0.4)	1.0	1.8	1.3
Interest expense, net	5.7	4.0	17.9	11.0
Special inventory write down	0.0	1.0	0.0	1.0
Other expense (income), net	(0.7)	0.0	(0.7)	0.0
Income from continuing operations before income taxes	122.0	102.6	267.7	248.6
Residential Heating & Cooling [Member]
Net Sales
Net Sales	517.9	462.6	1,435.6	1,332.5
Segment Profit (Loss)
Subtotal that includes segment profit and eliminations	90.1	69.4	221.3	178.8
Commercial Heating & Cooling [Member]
Net Sales
Net Sales	246.8	241.6	660.3	655.6
Segment Profit (Loss)
Subtotal that includes segment profit and eliminations	44.8	42.2	95.5	91.3
Refrigeration [Member]
Net Sales
Net Sales	190.3	194.2	537.4	566.5
Segment Profit (Loss)
Subtotal that includes segment profit and eliminations	20.3	16.5	37.5	42.3
Corporate & other [Member]
Segment Profit (Loss)
Subtotal that includes segment profit and eliminations	$ (24.0)	$ (17.5)	$ (57.4)	$ (47.8)