Quarterly report pursuant to Section 13 or 15(d)

Acquisitions (Details)

v3.6.0.2
Acquisitions (Details)
$ in Thousands, £ in Millions
Nov. 30, 2016
USD ($)
Nov. 30, 2016
GBP (£)
Feb. 01, 2016
USD ($)
Guidance Automation Limited      
Business Acquisition [Line Items]      
Acquisition price $ 9,732 £ 7.8  
DDI      
Business Acquisition [Line Items]      
Purchase price of acquisition     $ 7,659