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Microsoft - Additional Information (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified
6 Months Ended 1 Months Ended
Oct. 27, 2012
Microsoft
Commitment
Oct. 27, 2012
Microsoft
Other Commitment
Apr. 27, 2012
NewCo
Apr. 27, 2012
NewCo
Morrison
Series A Preferred
Apr. 27, 2012
NewCo
Microsoft
Apr. 27, 2012
NewCo
Microsoft
Series A Preferred
Subsidiary, Sale of Stock [Line Items]            
Preferred stock issued       300,000   300,000
Preferred stock issued, aggregate purchase price       $ 300,000   $ 300,000
Percentage of common membership interest         17.60%  
Percentage of common membership interest owned by Nook media     82.40%      
Advance payments term 3 years 5 years        
Advance payments $ 60,000 $ 25,000