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Related Party Transactions - Additional Information (Detail) (USD $) Share data in Millions, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2013 | Jun. 30, 2012
Related Party Transaction |  |  |  |
Sales to related parties | $ 0 | $ 3,200,000 | $ 1,600,000 | $ 7,000,000
Former Chairman and CEO Severance |  |  |  |
Related Party Transaction |  |  |  |
Severance, salary and bonus | 58,200,000 |  |  |
Severance, liability | 4,600,000 |  | 4,600,000 |
Severance, number of monthly installments | 36 |  |  |
Severance, compensation cost of accelerated shares | 36,800,000 |  |  |
Severance, number of accelerated shares | 6.3 |  |  |
Severence liability, current | 55,098,000 |  | 55,098,000 |
Severance liability, noncurrent | 3,100,000 |  | 3,100,000 |
Annual Sponsorship Amount |  |  |  |
Related Party Transaction |  |  |  |
Annual license fee |  |  | 3,300,000 |
Sponsorship Agreement |  |  |  |
Related Party Transaction |  |  |  |
Agreement termination year |  |  | 2013 |
Lease with Related Party |  |  |  |
Related Party Transaction |  |  |  |
Contract agreement, term |  |  | 3 years |
Annual Lease Obligation to Related Party |  |  |  |
Related Party Transaction |  |  |  |
Related party transaction amount |  |  | 500,000 |
Leasehold Improvements under Lease with Related Party |  |  |  |
Related Party Transaction |  |  |  |
Related party transaction amount |  |  | $ 3,300,000 |

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