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Income Taxes (Schedule of Unrecognized Tax Benefits) (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Mar. 31, 2014
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]      
Balance at beginning of year $ 4,083 $ 4,384 $ 5,340
Additions for tax positions related to the current year 85 62 193
Additions for tax positions related to prior years 0 170 209
Reductions for tax positions related to prior years (2,152) 0 (896)
Settlements 0 (533) (462)
Balance at end of year $ 2,016 $ 4,083 $ 4,384