Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Minimum Future Licensing Revenues (Detail)

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Summary of Significant Accounting Policies - Minimum Future Licensing Revenues (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
License And Collaboration Agreements [Line Items]  
2013 $ 84,104
2014 62,014
2015 40,234
2016 31,277
2017 23,443
Thereafter 125,225
Fixed non-cancelable minimum licensing revenues $ 366,297