Quarterly report pursuant to Section 13 or 15(d)

Income Taxes - Additional Information (Detail)

v2.4.0.8
Income Taxes - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 9 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Mar. 31, 2013
Income Taxes [Line Items]          
Liability unrecognized tax benefits $ 0   $ 0   $ 134
Reduction in Liability for unrecognized tax benefits     134    
Interest uncertain tax positions (15) 2 (11) (323)  
Interest uncertain tax positions reversed       387  
Penalties related to uncertain tax positions $ 0 $ 0 $ 0 $ 0  
Maximum [Member] | Internal Revenue Service (IRS) [Member]
          
Income Taxes [Line Items]          
Federal and State tax jurisdictions for tax period     2012    
Maximum [Member] | Federal Tax Jurisdictions [Member]
          
Income Taxes [Line Items]          
Federal and State tax jurisdictions for tax period     2013    
Maximum [Member] | State Tax Jurisdictions [Member]
          
Income Taxes [Line Items]          
Federal and State tax jurisdictions for tax period     2013    
Maximum [Member] | International Tax Jurisdictions [Member]
          
Income Taxes [Line Items]          
Federal and State tax jurisdictions for tax period     2013    
Minimum [Member] | Internal Revenue Service (IRS) [Member]
          
Income Taxes [Line Items]          
Federal and State tax jurisdictions for tax period     2011    
Minimum [Member] | Federal Tax Jurisdictions [Member]
          
Income Taxes [Line Items]          
Federal and State tax jurisdictions for tax period     2011    
Minimum [Member] | State Tax Jurisdictions [Member]
          
Income Taxes [Line Items]          
Federal and State tax jurisdictions for tax period     2009    
Minimum [Member] | International Tax Jurisdictions [Member]
          
Income Taxes [Line Items]          
Federal and State tax jurisdictions for tax period     2011