Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The change in the carrying amount of goodwill by reporting unit for the year ended December 31, 2014 was as follows (in thousands):

	U.S. Medical		International Medical		Total
Balance as of December 31, 2013	$	8,165	$	6,681	$	14,846
Goodwill acquired during the year (Note 2)	120,196		14,856		135,052
Balance as of December 31, 2014	$	128,361	$	21,537	$	149,898

Schedule of Acquired Finite-Lived Intangible Assets by Major Class

Intangible Assets. Acquired intangible assets as of December 31, 2014 and 2013 consisted of the following (in thousands):

	December 31, 2014			December 31, 2013
Acquired as part of AngioScore acquisition (Note 2):
Technology	$	73,510		$	—
Customer relationships	23,320			—
Trademark and trade names	4,380			—
IPR&D	3,750			—
Distributor relationships	1,940			—
Non-compete agreements	580			—
Acquired as part of Upstream acquisition (Note 2)
Technology	2,172			6,310
Non-compete agreement	200			200
Patents	530			530
Less: accumulated amortization	(7,766		)	(1,431		)
	$	102,616		$	5,609

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

As of December 31, 2014, estimated future amortization expense for intangible assets subject to amortization was as follows (in thousands):

	Amortization Expense
Years ending December 31:
2015	$	12,027
2016	11,397
2017	10,678
2018	10,413
2019	10,413
Thereafter	43,938
	$	98,866