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Credit Facility (Details) (USD $)
In Millions, except Share data, unless otherwise specified
9 Months Ended
Jan. 01, 2012
Credit Facility [Abstract]  
Maximum number of shares of Class A Preferred Shares of wholly owned subsidiary available for sale 1,431
Aggregate purchase price of preferred shares $ 135
Line of credit facility, interest rate during period LIBOR plus 2.125
Repurchase period for preferred shares June 13, 2011