Reportable Business Segments (Details 1) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Net Sales
Net Sales	$ 992.5	$ 960.7	$ 1,678.3	$ 1,656.1
Segment Profit (Loss)
Subtotal that includes segment profit and eliminations	134.2	118.5	165.4	153.8
Reconciliation to income from continuing operations before income taxes:
Special product quality adjustment	(1.1)	(0.4)	(1.4)	(0.3)
Items in (Gains) losses and other expenses, net that are excluded from segment profit	2.6	(0.4)	6.7	0.8
Restructuring charges	1.8	0.2	2.1	0.3
Interest expense, net	6.4	3.7	12.2	7.0
Other expense (income), net	0.0	0.0	0.0	0.0
Income from continuing operations before income taxes	124.5	115.4	145.8	146.0
Residential Heating & Cooling [Member]
Net Sales
Net Sales	555.1	527.7	917.7	869.8
Segment Profit (Loss)
Subtotal that includes segment profit and eliminations	99.9	85.0	131.2	109.4
Commercial Heating & Cooling [Member]
Net Sales
Net Sales	253.6	241.0	413.5	414.0
Segment Profit (Loss)
Subtotal that includes segment profit and eliminations	43.0	39.0	50.7	49.2
Refrigeration [Member]
Net Sales
Net Sales	183.8	192.0	347.1	372.3
Segment Profit (Loss)
Subtotal that includes segment profit and eliminations	13.3	13.7	17.2	25.8
Corporate & other [Member]
Segment Profit (Loss)
Subtotal that includes segment profit and eliminations	$ (22.0)	$ (19.2)	$ (33.7)	$ (30.6)