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Related Party Transactions - Additional Information (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Related Party Transaction [Line Items] |  |  |
Sales to related parties | $ 12.8 | $ 21.5 | $ 15.7
Lease with Related Party |  |  |
Related Party Transaction [Line Items] |  |  |
Contract term (in years) | 3 years |  |
Annual lease obligation to related party | 0.5 |  |
Leasehold improvements under lease with related party | 3.5 |  |
Sponsorship Agreement |  |  |
Related Party Transaction [Line Items] |  |  |
Sponsorship and license agreement, termination year | 2013 |  |
Annual sponsorship for OKC Thunder | 3.3 |  |
Additional sponsorship fees | 0.6 |  |
License Agreement |  |  |
Related Party Transaction [Line Items] |  |  |
Sponsorship and license agreement, termination year | 2020 |  |
Annual license fee | 0.2 |  |
Sponsorship and License Agreements |  |  |
Related Party Transaction [Line Items] |  |  |
Accounts payable due under Oklahoma City Thunder Agreements | $ 0.9 | $ 0 |

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