Discontinued Operations - Sale of Hemostasis Business (Details) - USD ($) $ in Thousands		3 Months Ended	12 Months Ended
	Feb. 01, 2016	Sep. 30, 2015	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of businesses			$ 0	$ 437,875	$ 0
Contingent purchase price from sale of businesses			80,700	143,700
Operating expenses:
Impairment			392,097	0	0
Loss from discontinued operations, net of tax			(100,678)	(139,682)	(217,950)
Amounts reclassified from accumulated other comprehensive income				9,665
Discontinued Operation, Additional Disclosures [Abstract]
Amortization from discontinued operations			10,638	17,858	6,798
Asset impairment charges			392,097	0	29,413
Reserve for excess or obsolete inventory			(435)	(2,066)	4,228
Changes in contingent purchase price			(3,456)	53,249	1
Proceeds from sale of businesses			0	437,875	0
Hemostasis Business [Member] | Discontinued operations, disposed of by sale [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of businesses	$ 174,100			174,068	0
Contingent purchase price from sale of businesses	235,000		$ 78,000
Goodwill impairment charge					24,500
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Net product revenues				1,275	65,754
Operating expenses:
Cost of product revenue				1,424	75,889
Research and development				90	7,568
Selling, general and administrative				542	560
Impairment				0	133,266
Total operating expenses				2,056	217,283
Income (loss) from operations				(781)	(151,529)
Gain from sale of business				1,004	0
Other expense, net				(39)	(745)
Income (loss) from discontinued operations before income taxes				184	(152,274)
Benefit for income taxes				0	(21,448)
Loss from discontinued operations, net of tax				184	(130,826)
Discontinued Operation, Additional Disclosures [Abstract]
Depreciation from discontinued operations				0	371
Amortization from discontinued operations				0	42,278
Gain on sale of business				(1,004)	0
Asset impairment charges				0	25,800
Reserve for excess or obsolete inventory				0	876
Changes in contingent purchase price				0	8,743
Proceeds from sale of businesses	174,100			174,068	0
Capital expenditures				0	738
Foreign currency translation adjustment [Member]
Operating expenses:
Amounts reclassified from accumulated other comprehensive income				$ 9,616
Foreign currency translation adjustment [Member] | Hemostasis Business [Member] | Discontinued operations, disposed of by sale [Member]
Operating expenses:
Amounts reclassified from accumulated other comprehensive income	$ 9,600
Asset impairment charges [Member] | Foreign currency translation adjustment [Member]
Operating expenses:
Amounts reclassified from accumulated other comprehensive income					8,400
Gain from sale of business [Member] | Foreign currency translation adjustment [Member]
Operating expenses:
Amounts reclassified from accumulated other comprehensive income					$ 1,200
Cost of product revenue [Member]
Operating expenses:
Impairment charge		$ 25,800