Select Balance Sheet Details - Intangible Assets, Net (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Intangible assets, Gross	$ 82,397	$ 83,296
Less accumulated amortization	(45,221)	(44,232)
Intangible assets, net	37,176	39,064
Developed product technology [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, Gross	23,641	23,633
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	2,388	2,343
Intellectual property [Member]
Finite-Lived Intangible Assets [Line Items]
Useful lives	5 years
Intangible assets, Gross	1,004	1,004
License agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, Gross	16,716	17,686
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	5,140	5,137
Trademarks and trade names [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, Gross	3,922	3,920
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	22,171	22,161
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	4,027
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	3,163	3,160
Supply Agreement [Member]
Finite-Lived Intangible Assets [Line Items]
Useful lives	10 years
Intangible assets, Gross	$ 225	$ 225