Quarterly report pursuant to Section 13 or 15(d)

Share Repurchases Share Repurchases Parenthetical (Details)

v2.4.0.8
Share Repurchases Share Repurchases Parenthetical (Details) (August Two Thousand Eleven Authorization [Member], Class A Common Stock)
6 Months Ended
Sep. 30, 2014
Sep. 30, 2013
August Two Thousand Eleven Authorization [Member] | Class A Common Stock
   
Payments for Repurchase of Equity [Abstract]    
Treasury Stock, Shares, Acquired 0 0