XML 54 R43.htm IDEA: XBRL DOCUMENT v3.7.0.1
Schedule of Share-based Compensation Expense (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Total share-based compensation expense $ 6,681 $ 6,662
Direct Cost Of Revenues    
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Total share-based compensation expense 5,838 3,848
Selling, General And Administrative Expenses    
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Total share-based compensation expense $ 843 2,709
Special Charges    
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Total share-based compensation expense   $ 105