Reportable Business Segments (Details 1) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 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	$ 695.4	$ 668.4
Segment Profit (Loss)
Subtotal that includes segment profit and eliminations	35.3	29.4
Reconciliation to income from continuing operations before income taxes:
Special product quality adjustment	0	(0.2)
Items in (Gains) losses and other expenses, net that are excluded from segment profit	1.3	1.3
Restructuring charges	0.1	0.5
Interest expense, net	3.3	3.4
Other expense, net	0	0.1
Income from continuing operations before income taxes	30.6	24.4
Residential Heating & Cooling [Member]
Net Sales
Net Sales	342.1	314.5
Segment Profit (Loss)
Subtotal that includes segment profit and eliminations	24.4	20.5
Commercial Heating & Cooling [Member]
Net Sales
Net Sales	173.0	163.0
Segment Profit (Loss)
Subtotal that includes segment profit and eliminations	10.2	11.1
Refrigeration [Member]
Net Sales
Net Sales	180.3	190.9
Segment Profit (Loss)
Subtotal that includes segment profit and eliminations	12.1	16.7
Corporate & other [Member]
Segment Profit (Loss)
Subtotal that includes segment profit and eliminations	$ (11.4)	$ (18.9)