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
Jun. 30, 2014
Jun. 30, 2013
Guarantees [Abstract]    
(Income) expense for product warranties $ 97 $ (20)