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Related Party Transactions - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Related Party Transaction [Line Items]
Sales to related parties	$ 1.5	$ 3.7
Accounts receivable due from related parties	0.7		1.0
Sponsorship Agreement
Related Party Transaction [Line Items]
Agreement termination year	2013
Annual sponsorship for OKC Thunder	3.3
License Agreement
Related Party Transaction [Line Items]
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		0.9
Lease with Related Party
Related Party Transaction [Line Items]
Contract agreement, term	3 years
Annual lease obligation to related party	0.5
Leasehold Improvements under Lease with Related Party	$ 3.3

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Annual lease obligation to related party

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Annual amount of sponsorship.

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Contract Term

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Contract Term, Year

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Leasehold Improvements under Lease with Related Party

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The aggregate amount of receivables to be collected from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth, at the financial statement date. which are usually due within one year (or one business cycle).

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Carrying amount as of the balance sheet date of obligations due all related parties.

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Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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