Accounts Payable, Net and Accrued Expenses (Details Textual) (Media Services, Newsstand Distribution Services, Net Of Estimated Returns [Member], USD $)	Jan. 31, 2013	Apr. 30, 2012
Media Services, Newsstand Distribution Services, Net Of Estimated Returns [Member]
Estimated Magazine Purchase Returns	$ 74,182,000	$ 66,384,000