Reportable Business Segments (Details 1) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Net sales, segment profit (loss) by business segment and reconciliation of segment profit (loss) to Income from Continuing Operations before income taxes
Number Of Business Segments	3
Net Sales
Net Sales	$ 898.4	$ 868.0	$ 2,554.6	$ 2,449.5
Segment Profit (Loss)
Subtotal that includes segment profit and eliminations	110.6	103.5	264.6	238.8
Reconciliation to income from continuing operations before income taxes:
Special product quality adjustment	0.2	(0.4)	(0.1)	(0.5)
Items in (Gains) losses and other expenses, net that are excluded from segment profit	1.8	(0.2)	2.8	2.0
Restructuring charges	1.0	0.3	1.3	3.2
Interest expense, net	4.0	3.8	11.0	10.8
Special inventory write down	1.0	0	1.0	0
Other expense (income), net	0	0	0	(0.1)
Income from continuing operations before income taxes	102.6	100.0	248.6	223.4
Residential Heating & Cooling [Member]
Net Sales
Net Sales	462.6	433.9	1,332.5	1,224.5
Segment Profit (Loss)
Subtotal that includes segment profit and eliminations	69.4	57.0	178.8	143.7
Commercial Heating & Cooling [Member]
Net Sales
Net Sales	241.6	239.1	655.6	631.8
Segment Profit (Loss)
Subtotal that includes segment profit and eliminations	42.2	39.2	91.3	84.8
Refrigeration [Member]
Net Sales
Net Sales	194.2	195.0	566.5	593.2
Segment Profit (Loss)
Subtotal that includes segment profit and eliminations	16.5	23.9	42.3	66.5
Corporate & other [Member]
Segment Profit (Loss)
Subtotal that includes segment profit and eliminations	$ (17.5)	$ (16.6)	$ (47.8)	$ (56.2)