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Income Taxes (Schedule Of Combined Income Tax Expense (Benefit) Allocable To Continuing Operations, Other Comprehensive Income, And Adjustments To Shareholders' Equity) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Mar. 31, 2011
Income Tax Disclosure [Abstract]      
Continuing operations $ 66,366 $ 61,159 $ 78,349
Other comprehensive income 2,600 (18,296) 3,210
Direct adjustments to shareholders' equity (1,052) (285) 159
Total $ 67,914 $ 42,578 $ 81,718