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Organization and Summary of Significant Accounting Policies (Additional Information) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Segment
category
Dec. 31, 2012
Dec. 31, 2011
Accounting Policies [Abstract]      
Number of operating segments 3    
Currency transaction adjustment gain (loss) $ (0.7) $ (0.8) $ 0.6
Categories of intangible assets 3    
Advertising expense $ 2.9 $ 2.0 $ 3.0