Quarterly report pursuant to sections 13 or 15(d)

Contingent Liabilities Re-measured (Detail)

v2.4.0.8
Contingent Liabilities Re-measured (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2013
Mar. 31, 2013
Sep. 30, 2012
Business Acquisition, Contingent Consideration [Line Items]      
Contingent liabilities $ 238 $ 841 $ 758
Contingent Liability
     
Business Acquisition, Contingent Consideration [Line Items]      
Contingent liabilities 238 841  
Fair Value, Inputs, Level 3 | Contingent Liability
     
Business Acquisition, Contingent Consideration [Line Items]      
Contingent liabilities $ 238 $ 841