Select Balance Sheet Details - Intangible Assets, Net (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Amortization	$ 1,600,000	$ 3,700,000	$ 4,800,000	$ 9,100,000
Intangible assets, Gross	79,478,000		79,478,000		83,296,000
Less accumulated amortization	(47,050,000)		(47,050,000)		(44,232,000)
Intangible assets, net	32,428,000		32,428,000		39,064,000
Developed product technology [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, Gross	22,880,000		22,880,000		23,633,000
Developed product technology [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful lives			3 years
Developed product technology [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful lives			8 years
Distribution rights [Member]
Finite-Lived Intangible Assets [Line Items]
Useful lives			3 years
Intangible assets, Gross	2,270,000		2,270,000		2,343,000
Intellectual property [Member]
Finite-Lived Intangible Assets [Line Items]
Useful lives			5 years
Intangible assets, Gross	1,004,000		1,004,000		1,004,000
License agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, Gross	16,716,000		16,716,000		17,686,000
License agreements [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful lives			1 year
License agreements [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful lives			7 years
Core technology [Member]
Finite-Lived Intangible Assets [Line Items]
Useful lives			10 years
Intangible assets, Gross	4,740,000		4,740,000		5,137,000
Trademarks and trade names [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, Gross	3,674,000		3,674,000		3,920,000
Trademarks and trade names [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful lives			3 years
Trademarks and trade names [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful lives			9 years
Customer-related [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, Gross	21,026,000		21,026,000		22,161,000
Customer-related [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful lives			12 years
Customer-related [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful lives			15 years
Distribution network [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, Gross	4,027,000		4,027,000		4,027,000
Distribution network [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful lives			10 years
Distribution network [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful lives			12 years
Physician education programs [Member]
Finite-Lived Intangible Assets [Line Items]
Useful lives			10 years
Intangible assets, Gross	2,916,000		2,916,000		3,160,000
Supply Agreement [Member]
Finite-Lived Intangible Assets [Line Items]
Useful lives			10 years
Intangible assets, Gross	$ 225,000		$ 225,000		$ 225,000