Reportable Business Segments (Details 1) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 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	$ 960.7	$ 913.1	$ 1,656.1	$ 1,581.5
Segment Profit (Loss)
Subtotal that includes segment profit and eliminations	118.5	105.7	153.8	135.3
Reconciliation to income from continuing operations before income taxes:
Special product quality adjustment	(0.4)	0.1	(0.3)	(0.1)
Items in (Gains) losses and other expenses, net that are excluded from segment profit	(0.4)	0.8	0.8	2.2
Restructuring charges	0.2	2.4	0.3	2.9
Interest expense, net	3.7	3.6	7.0	7.0
Other expense (income), net	0	(0.2)	0	(0.1)
Income from continuing operations before income taxes	115.4	99.0	146.0	123.4
Residential Heating & Cooling [Member]
Net Sales
Net Sales	527.7	476.2	869.8	790.7
Segment Profit (Loss)
Subtotal that includes segment profit and eliminations	85.0	66.2	109.4	86.7
Commercial Heating & Cooling [Member]
Net Sales
Net Sales	241.0	229.6	414.0	392.6
Segment Profit (Loss)
Subtotal that includes segment profit and eliminations	39.0	34.6	49.2	45.7
Refrigeration [Member]
Net Sales
Net Sales	192.0	207.3	372.3	398.2
Segment Profit (Loss)
Subtotal that includes segment profit and eliminations	13.7	25.8	25.8	42.5
Corporate & other [Member]
Segment Profit (Loss)
Subtotal that includes segment profit and eliminations	$ (19.2)	$ (20.9)	$ (30.6)	$ (39.6)