Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2013

Other Intangible Assets [Abstract]

Schedule of other intangible assets

Other intangible assets are as follows (in thousands):

	December 31,
	2013				2012
	Cost		Accumulated Amortization		Cost		Accumulated Amortization
Finite lived intangible assets:
Patents and technology	$	18,996	$	3,244	$	4,314	$	1,654
Customer lists	52,607		9,018		23,337		6,688
Non-compete agreements	—		—		402		402
Trademarks and brand names	7,191		2,053		6,151		1,513
Other	191		—		915		801
Total finite lived intangible assets acquired	78,985		14,315		35,119		11,058
Deferred financing costs	1,392		169		1,290		1,185
Total amortizable intangible assets	80,377		$	14,484	36,409		$	12,243
Indefinite lived intangible assets:
Trademarks and brand names	11,630				—
Total other intangible assets	$	92,007			$	36,409
Carrying value:
Other intangible assets, net	$	77,523			$	24,166

Schedule of estimated future amortzation expense

Estimated future amortization expense for intangible assets, including deferred financing costs, at December 31, 2013 is as follows (in thousands):

Year ending December 31,
2014	$	4,972
2015	4,935
2016	4,704
2017	4,549
2018	4,302
Thereafter	42,431
Other intangible assets, net	$	65,893