Schedule of Future Minimum Payments for Licensing and Similar Agreements (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
Commitments and Contingencies Disclosure [Line Items]
Future minimum payments for licensing and similar agreements obligations - 2013	$ 56,801
Future minimum payments for licensing and similar agreements obligations - 2014	78,195
Future minimum payments for licensing and similar agreements obligations - 2015	48,883
Future minimum payments for licensing and similar agreements obligations - 2016	18,078
Future minimum payments for licensing and similar agreements obligations - 2017	1,004
Future minimum payments for licensing and similar agreements obligations - Thereafter	250
Total future minimum licensing and similar agreements obligations	$ 203,211

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For licensing and similar agreements containing provisions for future minimum payments, the total required payments due.

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For licensing and similar agreements containing provisions for future minimum payments, required payments due within one year of the balance sheet date.

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For licensing and similar agreements containing provisions for future minimum payments, required payments due within the fifth year of the balance sheet date.

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For licensing and similar agreements containing provisions for future minimum payments, required payments due within the fourth year of the balance sheet date.

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For licensing and similar agreements containing provisions for future minimum payments, required payments due within the third year of the balance sheet date.

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For licensing and similar agreements containing provisions for future minimum payments, required payments due within the second year of the balance sheet date.

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For licensing and similar agreements containing provisions for future minimum payments, required payments due after the fifth year of the balance sheet date.

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