Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2012

Other Intangible Assets [Abstract]

Schedule of other intangible assets

Other intangible assets are as follows (in thousands):

	December 31,
	2012				2011
	Cost		Accumulated Amortization		Cost		Accumulated Amortization
Patents	$	4,314	$	1,654	$	4,532	$	1,425
Customer lists	23,337		6,688		23,337		5,336
Non-compete agreements	402		402		402		348
Brand names	6,151		1,513		6,151		1,205
Other	915		801		922		733
Total intangible assets acquired	35,119		11,058		35,344		9,047
Deferred financing costs	1,290		1,185		8,790		5,993
Total other intangible assets	$	36,409	$	12,243	$	44,134	$	15,040
Carrying value:
Other intangible assets, net	$	24,166			$	29,094

Schedule of estimated future amortzation expense

Estimated future amortization expense for intangible assets, including deferred financing costs, at December 31, 2012 is as follows (in thousands):

Year ending December 31,
2013	$	2,148
2014	1,992
2015	1,956
2016	1,956
2017	1,917
Thereafter	14,197
Other intangible assets, net	$	24,166