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Note 16 - Share-Based and Other Compensation Programs RSUs - Cash Settled (Details)
Dec. 31, 2015
shares
Timed-Vested RSUs (Cash Settled) | 2009 and 2010 Award Years  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number 262,694