Reportable Business Segments (Net Sales and Segment Profit (Loss) and Reconciliation to Income from Continuing Operations) (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Net Sales
Net Sales	$ 891,800,000	$ 1,052,300,000	$ 1,102,100,000	$ 793,400,000	$ 897,300,000	$ 1,010,000,000	$ 1,019,200,000	$ 715,200,000	$ 3,839,600,000	$ 3,641,600,000	$ 3,467,400,000
Segment Profit (Loss)
Subtotal segment profit									(514,600,000)	(469,600,000)	(377,600,000)
Reconciliation to Operating income:
Special product quality adjustments									5,400,000	(400,000)	(2,200,000)
Items in (Gains) Losses and other expenses, net that are excluded from segment profit (loss)									11,500,000	7,400,000	15,600,000
Restructuring charges									3,200,000	1,800,000	3,200,000
Pension settlement									0	31,400,000	0
Goodwill impairment									0	0	5,500,000
Asset impairment									0	0	44,500,000
One time inventory write down									0	0	5,600,000
Operating income									494,500,000	429,400,000	305,400,000
Revenue from transactions with major customers									$ 0	$ 0	$ 0
Minimum percentage of consolidated net sales from single customer									10.00%	10.00%	10.00%
Residential Heating & Cooling [Member]
Net Sales
Net Sales									$ 2,140,400,000	$ 2,000,800,000	$ 1,866,900,000
Segment Profit (Loss)
Subtotal segment profit									(373,900,000)	(348,800,000)	(278,400,000)
Commercial Heating & Cooling [Member]
Net Sales
Net Sales									973,800,000	917,900,000	887,200,000
Segment Profit (Loss)
Subtotal segment profit									(157,300,000)	(149,300,000)	(130,400,000)
Refrigeration [Member]
Net Sales
Net Sales									725,400,000	722,900,000	713,300,000
Segment Profit (Loss)
Subtotal segment profit									(72,600,000)	(68,900,000)	(52,900,000)
Corporate & other [Member]
Segment Profit (Loss)
Subtotal segment profit									$ (89,200,000)	$ (97,400,000)	$ (84,100,000)