Annual report pursuant to Section 13 and 15(d)

Income Taxes - Summarizes the Changes to the Unrecognized Tax Benefit (Detail)

v2.4.0.8
Income Taxes - Summarizes the Changes to the Unrecognized Tax Benefit (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Reconciliation Of Unrecognized Tax Benefits Excluding Amounts Pertaining To Examined Tax Returns [Roll Forward]    
Balance at beginning of year $ 134 $ 1,787
Deductions based upon tax positions taken during prior periods (134) (893)
Additions based upon tax positions taken during the current period   40
Settlements   (800)
Balance at end of year $ 0 $ 134