XML 46 R23.htm IDEA: XBRL DOCUMENT v3.19.2
Stockholders' Equity - (Tables)
 6 Months Ended
Jun. 30, 2019
Equity [Abstract]  
Schedule of Common Stock
The following table presents a rollforward of our common stock for the three and six months ended June 30, 2019 and 2018:
 
Three Months Ended
June 30,
 
Six Months Ended
June 30,
 
2019
2018
2019
2018
Shares issued and outstanding, beginning balance
70,079,747

70,363,251


70,596,559

69,818,392

Issuance of common stock from vested restricted stock units
213,991

389,875


500,710

1,000,141

Issuance of common stock from exercise of stock options
58,491

263,464


139,773

469,894

Issuance of common stock for employee stock purchase plan
112,623

84,525


112,623

84,525

Repurchase of common stock
(392,700
)
(434,766
)

(1,175,609
)
(594,799
)
Awards effectively repurchased for required employee withholding taxes
(81,007
)
(92,462
)

(182,911
)
(204,266
)
Shares issued and outstanding, ending balance
69,991,145

70,573,887


69,991,145

70,573,887
Restricted Stock Unit and Restricted Stock Award Activity Under Equity-Based Plans
The following table summarizes RSU and RSA activity under our equity-based plans for the six months ended June 30, 2019:
 
RSUs
RSAs
 
Number of Units
Weighted-Average
Grant Date
Fair Value
Number of Units
Weighted-Average
Grant Date
Fair Value
Nonvested at December 31, 2018
1,737,554

$
32.83

346,792

$
49.13

Granted
724,172

60.58

—

—

Vested
(511,813
)
30.34

(31,248
)
50.61

Forfeited
(106,737
)
36.52

(11,103
)
49.35

Nonvested at June 30, 2019
1,843,176

$
44.18

304,441

$
49.11
Performance Stock Unit and Performance Stock Award Activity Under Equity-Based Plans
The following table summarizes RSU and RSA activity under our equity-based plans for the six months ended June 30, 2019:
 
RSUs
RSAs
 
Number of Units
Weighted-Average
Grant Date
Fair Value
Number of Units
Weighted-Average
Grant Date
Fair Value
Nonvested at December 31, 2018
1,737,554

$
32.83

346,792

$
49.13

Granted
724,172

60.58

—

—

Vested
(511,813
)
30.34

(31,248
)
50.61

Forfeited
(106,737
)
36.52

(11,103
)
49.35

Nonvested at June 30, 2019
1,843,176

$
44.18

304,441

$
49.11
Stock-based Compensation Expense Stock-based compensation expense and other disclosures for stock-based awards made to our employees pursuant to the equity plans was as follows: 
 
Three Months Ended June 30,
 
Six Months Ended June 30,
(in millions)
2019
2018
 
2019
2018
Cost of providing services
$
2

$
2

 
$
4

$
4

Sales and marketing
1

2

 
1

4

General and administrative
7

5

 
13

9

Systems development and programming costs
1

1

 
2

2

Total stock-based compensation expense
$
11

$
10

 
$
20

$
19