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Note 10 - Fair Value Measurements (Details) - Carrying Value and Estimated Fair Value of the Company’s First Lien Loan (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Carrying Value and Estimated Fair Value of the Company’s First Lien Loan [Abstract]      
First lien credit facility, including current portion $ 749,338 $ 751,225 $ 714,993
First lien credit facility, including current portion $ 750,649 $ 752,637 $ 727,589