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Note 20 - Commitments and Contingencies (Details) - Minimum Operating Lease Payments (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Minimum Operating Lease Payments [Abstract]  
2015 $ 77,208us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent
2016 68,407us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears
2017 51,676us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears
2018 41,899us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears
2019 35,073us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears
Thereafter $ 95,697us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter