Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Intangible Assets and Goodwill Goodwill (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Sep. 30, 2014	Jan. 31, 2013	Aug. 05, 2013
Goodwill [Roll Forward]
Balance at beginning of period	$ 257,694us-gaap_Goodwill	$ 14,671us-gaap_Goodwill
Translation adjustments	3,775	(1,259)
Balance at end of period	286,532us-gaap_Goodwill	257,694us-gaap_Goodwill
Tenaxis Medical [Member]
Goodwill [Roll Forward]
Balance at beginning of period			25,063
Goodwill resulting from acquisition	25,063	0
Balance at end of period			25,063
Incline Therapeutics, Inc. [Member]
Goodwill [Roll Forward]
Balance at beginning of period				102,613
Goodwill resulting from acquisition	0	102,613
Balance at end of period				102,613
Recothrom [Member]
Goodwill [Roll Forward]
Goodwill resulting from acquisition	0	21,000
ProFibrix [Member]
Goodwill [Roll Forward]
Balance at beginning of period					52,037
Goodwill resulting from acquisition	0	52,037
Balance at end of period					52,037
Rempex [Member]
Goodwill [Roll Forward]
Balance at beginning of period	68,632
Goodwill resulting from acquisition	0	68,632
Balance at end of period		$ 68,632