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Goodwill and Intangible Assets
12 Months Ended
Dec. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets
Goodwill and Intangible Assets:
Goodwill
The changes in the carrying amount of goodwill in 2013 and 2012, in total and by segment, are summarized in the table below (in millions): 
Segment:
Balance at December 31, 2011 (2)
 
Acquisitions / (Dispositions)
 
Other(1)
 
Balance at December 31, 2012
 
Acquisitions / (Dispositions)
 
Other(1)
 
Balance at December 31, 2013
Residential Heating & Cooling
$
26.1

 
$

 
$

 
$
26.1

 
$

 
$

 
$
26.1

Commercial Heating & Cooling
63.5

 

 
0.3

 
63.8

 

 
0.8

 
64.6

Refrigeration
133.6

 

 
0.3

 
133.9

 

 
(7.8
)
 
126.1

 
$
223.2

 
$

 
$
0.6

 
$
223.8

 
$

 
$
(7.0
)
 
$
216.8

 
(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 $16.4 million, all of which relate to impairments in periods prior to 2011.

We performed our annual impairment test of goodwill for 2013 and determined that it was not more likely than not the fair values of our reporting units, individually or collectively, were less than their carrying values based on a qualitative review of impairment indicators. Accordingly, a quantitative impairment analysis was not performed and no impairments were recognized as part of the annual test. No other indicators of impairment were identified from the date of our annual impairment test through December 31, 2013. Also, we did not record any goodwill impairments related to continuing operations in 2011 or 2012. Refer to Note 17 for information on goodwill related to discontinued operations.

Intangible Assets

As of December 31, 2013 and 2012, there were $9.4 million of indefinite-lived intangible assets recorded in Other assets, net in the accompanying Consolidated Balance Sheets. These intangible assets consisted primarily of trademarks and are not subject to amortization.

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,
 
2013
 
2012
 
Gross Amount
 
Accumulated Amortization
 
Net Amount
 
Gross Amount
 
Accumulated Amortization
 
Net Amount
Deferred financing costs
$
5.0

 
$
(2.3
)
 
$
2.7

 
$
5.0

 
$
(1.5
)
 
$
3.5

Customer relationships
42.6

 
(20.6
)
 
22.0

 
42.6

 
(18.2
)
 
24.4

Patents and others
8.5

 
(7.3
)
 
1.2

 
8.1

 
(6.6
)
 
1.5

Total
$
56.1

 
$
(30.2
)
 
$
25.9

 
$
55.7

 
$
(26.3
)
 
$
29.4



Amortization expense related to these intangible and other assets was as follows (in millions):
 
For the Years Ended December 31,
 
2013
 
2012
 
2011
Amortization expense
$
3.9

 
$
3.8

 
$
4.7



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

Estimated Future Amortization Expense:
 
2014
$
3.7

2015
3.5

2016
3.4

2017
2.8

2018
2.7

Thereafter
9.8



We did not have any impairments of intangible assets related to continuing operations in 2013 or 2012. See Note 17 for information on impairments of intangible assets related to discontinued operations.