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Commitments (License Agreements) (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Future minimum annual commitments:      
2014 $ 102,123,000    
2015 115,400,000    
2016 120,843,000    
2017 119,158,000    
2018 121,627,000    
Thereafter 540,209,000    
Total 1,119,360,000    
Royalty expense, percentage of net sales 7.20% 9.00% 8.30%
Royalty expense $ 40,500,000 $ 58,800,000 $ 51,300,000