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Intangible Assets
6 Months Ended
Jun. 30, 2011
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets
Intangible Assets
 
The balances of the following intangible assets are included in other noncurrent assets on our condensed consolidated balance sheets:
 
Indefinite-lived Intangible Assets:
(in thousands)
 
June 30,

2011
 
December 31,

2010
 
June 30,

2010
Goodwill1
 
$
9,900


 
$
9,900


 
$
9,900


Use rights and other
 
1,319


 
1,319


 
1,319


Total unamortized intangible assets
 
$
11,219


 
$
11,219


 
$
11,219


1Goodwill for all periods presented primarily relates to our Construction segment.
 
Amortized Intangible Assets:
June 30, 2011
 
 
 
Accumulated
 
 
(in thousands)
 
Gross Value
 
Amortization
 
Net Value
Permits
 
$
29,713


 
$
(6,837
)
 
$
22,876


Customer lists
 
2,198


 
(1,828
)
 
370


Covenants not to compete
 
1,588


 
(1,401
)
 
187


Other
 
871


 
(508
)
 
363


Total amortized intangible assets
 
$
34,370


 
$
(10,574
)
 
$
23,796


December 31, 2010
 
 
 
 
 
 
(in thousands)
 
 
 
 
 
 
Permits
 
$
29,713


 
$
(6,100
)
 
$
23,613


Customer lists
 
2,198


 
(1,715
)
 
483


Covenants not to compete
 
1,588


 
(1,325
)
 
263


Other
 
871


 
(432
)
 
439


Total amortized intangible assets
 
$
34,370


 
$
(9,572
)
 
$
24,798


June 30, 2010
 
 
 
 
 
 
(in thousands)
 
 
 
 
 
 
Permits
 
$
33,582


 
$
(5,984
)
 
$
27,598


Customer lists
 
2,198


 
(1,601
)
 
597


Covenants not to compete
 
1,588


 
(1,247
)
 
341


Other
 
1,082


 
(567
)
 
515


Total amortized intangible assets
 
$
38,450


 
$
(9,399
)
 
$
29,051




Amortization expense related to these intangible assets for the three and six months ended June 30, 2011 was approximately $0.5 million and $1.0 million, respectively, and approximately $0.6 million and $1.3 million for the three and six months ended June 30, 2010, respectively. Based on the amortized intangible assets balance at June 30, 2011, amortization expense expected to be recorded in the future is as follows: $1.0 million for the balance of 2011; $1.9 million in 2012; $1.6 million in 2013; $1.5 million in 2014; $1.5 million in 2015; and $16.3 million thereafter.