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Share-Based Compensation (Tables)
 9 Months Ended
Sep. 30, 2017
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Schedule of Share-Based Compensation Expense

Total share-based compensation expense, net of forfeitures, for the three months and nine months ended September 30, 2017 and 2016 is detailed in the following table:  

 

 

 

Three Months Ended September 30,

 

 

Nine Months Ended September 30,

 

Income Statement Classification

 

2017

 

 

2016

 

 

2017

 

 

2016

 

Direct cost of revenues

 

$

1,350

 

 

$

2,243

 

 

$

8,371

 

 

$

8,370

 

Selling, general and administrative expenses

 

 

1,781

 

 

 

2,617

 

 

 

3,833

 

 

 

7,825

 

Special charges

 

 

—

 

 

 

—

 

 

 

96

 

 

 

105

 

Total share-based compensation expense

 

$

3,131

 

 

$

4,860

 

 

$

12,300

 

 

$

16,300