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Earnings Per Share (Details) (New Capital Plan, USD $)
In Thousands, unless otherwise specified
3 Months Ended
Jun. 30, 2013
New Capital Plan
 
Earnings per share  
Stock Repurchased and Retired During Period, Shares 2,624
Stock repurchased and retired $ 90,000
Repurchased and Retired Shares, Excluded from Weighted Average Shares Outstanding Number 965