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Summary of Significant Accounting Policies - Minimum Future Licensing Revenues (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014
Accounting Policies [Abstract]
Remainder of 2014	$ 43,207
2015	66,354
2016	55,437
2017	44,193
2018	33,549
Thereafter	140,960
Fixed non-cancelable minimum licensing revenues	$ 383,700

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- Definition

Minimum future licensing revenues, total.

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- Definition

Minimum future licensing revenues, in first full year.

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- Definition

Minimum future licensing revenues, in fourth full year.

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- Definition

Minimum future licensing revenues, in second full year.

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- Definition

Minimum future licensing revenues, in third full year.

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- Definition

Minimum future licensing revenues, remainder of current year.

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- Definition

Minimum future licensing revenues, thereafter.

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