Quarterly report pursuant to Section 13 or 15(d)

Product Warranty Liability - Additional Information (Detail)

v2.4.0.8
Product Warranty Liability - 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
Guarantees [Abstract]        
(Income) expense for product warranties $ 47 $ (65) $ (11) $ (73)