Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The changes in the carrying amount of goodwill for the three months ended March 31, 2012 are as follows (in thousands):

	2012
Goodwill balance at January 1	$	61,144
Additions as the result of acquisitions (see Note 5)	4,430
Goodwill balance at March 31	$	65,574

Schedule of Finite-Lived Intangible Assets by Major Class

Other intangible assets at March 31, 2012 and December 31, 2011, consisted of the following (in thousands):

	March 31, 2012
	Gross					Net
	Carrying Amount		Accumulated Amortization			Carrying Amount
Patents	$	6,857	$	(1,774	)	$	5,083
Distribution agreement	4,926		(1,056		)	3,870
License agreements	1,983		(474		)	1,509
Trademark	5,874		(1,078		)	4,796
Covenant not to compete	335		(119		)	216
Customer lists	15,087		(6,339		)	8,748
Royalty agreements	267		(267		)	—
Total	$	35,329	$	(11,107	)	$	24,222

	December 31, 2011
	Gross					Net
	Carrying Amount		Accumulated Amortization			Carrying Amount
Patents	$	6,455	$	(1,704	)	$	4,751
Distribution agreement	2,426		(900		)	1,526
License agreements	1,983		(436		)	1,547
Trademark	5,746		(1,014		)	4,732
Covenant not to compete	315		(108		)	207
Customer lists	14,277		(5,786		)	8,491
Royalty agreements	267		(267		)	—
Total	$	31,469	$	(10,215	)	$	21,254

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Estimated amortization expense for the intangible assets for the next five years consists of the following as of March 31, 2012 (in thousands):

Year Ending December 31
Remaining 2012	$	5,647
2013	6,761
2014	6,290
2015	6,006
2016	5,985