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Restructuring and Other Special Charges (Components of Restructuring) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2012
Dec. 31, 2011
Restructuring and Related Activities [Abstract]        
Restructuring charges (benefits), net $ (3,332)   $ (2,535)  
Restructuring costs 400 748 1,165 14,078
Other related costs 1,603 1,683 7,232 1,683
Asset impairment charges 0 0 1,729 2,500
Total restructuring and other special charges $ (1,729) $ 2,431 $ 6,426 $ 18,261