Microsoft - Additional Information (Detail) (USD $) In Thousands, except Share data, unless otherwise specified			6 Months Ended		1 Months Ended
	Oct. 26, 2013 Microsoft Country Language	Jun. 30, 2013 Microsoft Market	Oct. 26, 2013 Microsoft Commitment	Oct. 26, 2013 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
Number of international markets		10
Number of countries in which Windows 8.1 is launched	32
Number of languages in which Windows 8.1 is launched	21