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Note 16 - Share-Based Compensation (Detail) - Shares of Company Common Stock Available Under Share-Based Plans	Dec. 31, 2011
Omnibus Plan [Member]
Share-Based Plans - Shares Authorized	8,631,641
Share-Based Plans - Shares Available for Grant	2,474,769
Directors Plan [Member]
Share-Based Plans - Shares Authorized	481,250
Share-Based Plans - Shares Available for Grant	98,026

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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