Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

The changes in the carrying amount of goodwill in 2014 and 2013, in total and by segment, are summarized in the table below (in millions):



Segment:	Balance at December 31, 2012 ⁽²⁾		Acquisitions / (Dispositions)		Other⁽¹⁾			Balance at December 31, 2013		Acquisitions / (Dispositions)		Other⁽¹⁾			Balance at December 31, 2014
Residential Heating & Cooling	$	26.1	$	—	$	—		$	26.1	$	—	$	—		$	26.1
Commercial Heating & Cooling	63.8		—		0.8			64.6		—		(2.3		)	62.3
Refrigeration	133.9		—		(7.8		)	126.1		—		(5.1		)	121.0
	$	223.8	$	—	$	(7.0	)	$	216.8	$	—	$	(7.4	)	$	209.4

⁽¹⁾ Other consists of changes in foreign currency translation rates.

⁽²⁾ The goodwill balances in the table above are presented net of accumulated impairment charges of $15.7 million, all of which relate to impairments in periods prior to 2012.

Summary of amortization of intangible assets

Identifiable intangible and other assets subject to amortization were recorded in Other assets, net in the accompanying Consolidated Balance Sheets and were comprised of the following (in millions):



	As of December 31,
	2014							2013
	Gross Amount		Accumulated Amortization			Net Amount		Gross Amount		Accumulated Amortization			Net Amount
Deferred financing costs	$	5.4	$	(1.5	)	$	3.9	$	5.0	$	(2.3	)	$	2.7
Customer relationships	42.6		(23.1		)	19.5		42.6		(20.6		)	22.0
Patents and others	12.0		(7.6		)	4.4		10.3		(7.2		)	3.1
Total	$	60.0	$	(32.2	)	$	27.8	$	57.9	$	(30.1	)	$	27.8

Amortization expense

Amortization expense related to these intangible and other assets was as follows (in millions):



	For the Years Ended December 31,
	2014		2013		2012
Amortization expense	$	3.9	$	3.9	$	3.8

Summary of estimated intangible amortization expense for the next five years

Estimated amortization expense for the next five years and thereafter is as follows (in millions):



Estimated Future Amortization Expense:
2015	$	3.8
2016	3.7
2017	3.5
2018	3.4
2019	3.2
Thereafter	10.2