XML 87 R71.htm IDEA: XBRL DOCUMENT v3.3.1.900
Acquisitions - Additional Information (Detail) - USD ($)
$ in Thousands
 1 Months Ended 12 Months Ended
Mar. 17, 2015
Mar. 12, 2013
Jun. 30, 2013
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
May. 30, 2014
Business Acquisition [Line Items]              
Payments to acquire business, net of cash acquired       $ 9,910 $ 86,950 $ 2,326  
Precisive, LLC [Member]              
Business Acquisition [Line Items]              
Payments to acquire business, net of cash acquired $ 12,085            
Business acquisition, cash acquired 435            
Business acquisition, deferred consideration payment $ 2,600            
Business acquisition, deferred consideration payment period 15 months            
Business combination consideration price $ 12,520            
Granville-Phillips [Member]              
Business Acquisition [Line Items]              
Business combination consideration price             $ 86,950
Alter S.r.l [Member]              
Business Acquisition [Line Items]              
Payments to acquire business, net of cash acquired   $ 2,426 $ 2,058        
Business acquisition, cash acquired   21          
Business combination consideration price   2,447          
Acquisition purchase price, net of cash acquired   $ 2,426          
Acquisition date   Mar. 12, 2013