Goodwill and Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The changes in the carrying amount of goodwill for the six months ended June 30, 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 June 30	$	65,574

Schedule of Finite-Lived Intangible Assets by Major Class

Other intangible assets at June 30, 2012 and December 31, 2011, consisted of the following (in thousands):

	June 30, 2012
	Gross					Net
	Carrying Amount		Accumulated Amortization			Carrying Amount
Patents	$	7,258	$	(1,863	)	$	5,395
Distribution agreement	4,926		(1,291		)	3,635
License agreements	1,983		(520		)	1,463
Trademark	5,854		(1,172		)	4,682
Covenant not to compete	335		(130		)	205
Customer lists	15,057		(6,873		)	8,184
Royalty agreements	267		(267		)	—
Total	$	35,680	$	(12,116	)	$	23,564

	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 intangible assets for the next five years consisted of the following as of June 30, 2012 (in thousands):

Year Ending December 31
Remaining 2012	$	3,932
2013	7,029
2014	6,558
2015	6,275
2016	6,254