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Note 14 - Shareholders' Equity (Details) (USD $) In Thousands, unless otherwise specified | 0 Months Ended
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Jan. 22, 2013
Stockholders' Equity Note [Abstract] |
Stock Repurchase Program, Authorized Amount | $ 50,000

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- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of a stock repurchase plan authorized by an entity's Board of Directors. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramAuthorizedAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration