Changes in carrying amount of goodwill by segment |
Changes in the carrying amount of goodwill for the years ended December 31, 2017 and 2016, by segment, were as follows, in thousands:
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Gross Goodwill
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Gross Goodwill
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Accumulated
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Net Goodwill
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at
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at
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Impairment
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at
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December 31, 2016
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Additions
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December 31, 2017
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Losses
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December 31, 2017
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Goodwill, by segment:
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Installation
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$
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1,390,792
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$
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32,128
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$
|
1,422,920
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$
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(762,021)
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$
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660,899
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Distribution
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416,287
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—
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416,287
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—
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416,287
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Total goodwill
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$
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1,807,079
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$
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32,128
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$
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1,839,207
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$
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(762,021)
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$
|
1,077,186
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Gross Goodwill
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Gross Goodwill
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Accumulated
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Net Goodwill
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at
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at
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Impairment
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at
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December 31, 2015
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Additions
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December 31, 2016
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Losses
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December 31, 2016
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Goodwill, by segment:
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Installation
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$
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1,389,775
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$
|
1,017
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$
|
1,390,792
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$
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(762,021)
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$
|
628,771
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Distribution
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416,287
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—
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416,287
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—
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|
416,287
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Total goodwill
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$
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1,806,062
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$
|
1,017
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$
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1,807,079
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$
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(762,021)
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$
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1,045,058
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Schedule of other intangible assets |
The following table sets forth our other intangible assets and associated amortization expense, in thousands:
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For the years ended December 31,
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2017
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2016
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2015
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Gross definite-lived intangible assets
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$
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54,872
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$
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20,932
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Accumulated amortization
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(21,629)
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(18,683)
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Net definite-lived intangible assets
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33,243
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2,249
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Indefinite-lived intangible assets not subject to amortization
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—
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|
407
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Other intangible assets, net
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$
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33,243
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$
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2,656
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Amortization expense
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$
|
2,994
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$
|
795
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$
|
1,026
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