Schedule of Future Minimum Payments for Licensing and Similar Agreements (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Commitments and Contingencies Disclosure [Line Items]
Future minimum payments for licensing and similar agreements obligations - 2014	$ 67,391
Future minimum payments for licensing and similar agreements obligations - 2015	78,621
Future minimum payments for licensing and similar agreements obligations - 2016	42,310
Future minimum payments for licensing and similar agreements obligations - 2017	18,928
Future minimum payments for licensing and similar agreements obligations - 2018	1,002
Future minimum payments for licensing and similar agreements obligations - Thereafter	550
Total future minimum licensing and similar agreements obligations	$ 208,802