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Fair Value Measurements - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2013
2.50% Convertible Notes
 
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]  
Debt instrument, interest rate, stated percentage 2.50%
1.50% Convertible Notes
 
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]  
Debt instrument, interest rate, stated percentage 1.50%
Joe Boxer | Fair Value
 
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]  
Fair value of the note receivable 3.0
New Brands | Fair Value
 
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]  
Fair value of the note receivable 3.0
Purim LLC | Fair Value
 
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]  
Fair value of the note payable 10.0
Beagle Note | Fair Value
 
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]  
Fair value of the note receivable 9.5