Acquired Intangible Assets

3 Months Ended

Mar. 31, 2015

Acquired Intangible Assets [Abstract]

Note 6. Acquired Intangible Assets

Acquired identifiable intangible assets consist of the following:


	March 31, 2015			December 31, 2014
	(In thousands)

Customer relationships	$	48,473		$	48,646
Trademarks and trade names		6,800			6,800
Non-compete agreements		970			970
Patents and supply contracts		723			723
Leaseholds		160			160
Total acquired intangible assets		57,126			57,299
Less accumulated amortization (1)		(25,373	)		(24,120	)
Net acquired intangible assets	$	31,753		$	33,179

(1)	Applies to all intangible assets, except for trademarks and trade names totaling $5.2 million, which have indefinite useful lives and, as such, are not being amortized.

Total amortization expense for acquired intangible assets was $1.3 million and $1.1 million for the three months ended March 31, 2015 and 2014, respectively. Based on the current estimated useful lives assigned to our intangible assets, amortization expense is estimated to be $3.7 million for the remainder of 2015, $4.8 million in 2016, $4.6 million in 2017 and $13.5 million in the aggregate for the years 2018 through 2028.