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Share-Based Compensation (Tables)
 6 Months Ended
Jun. 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 six months ended June 30, 2017 and 2016 is detailed in the following table:  

 

 

 

Three Months Ended June 30,

 

 

Six Months Ended June 30,

 

Income Statement Classification

 

2017

 

 

2016

 

 

2017

 

 

2016

 

Direct cost of revenues

 

$

1,183

 

 

$

2,279

 

 

$

7,021

 

 

$

6,127

 

Selling, general and administrative expenses

 

 

1,209

 

 

 

2,499

 

 

 

2,052

 

 

 

5,208

 

Special charges

 

 

96

 

 

 

—

 

 

 

96

 

 

 

105

 

Total share-based compensation expense

 

$

2,488

 

 

$

4,778

 

 

$

9,169

 

 

$

11,440