XML 55 R43.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Common Stock (Tables)
 12 Months Ended
Dec. 31, 2019
Common Stock [Abstract]  
Schedule of Changes in Common Stock Outstanding
The following table summarizes our shares outstanding for the three years ended December 31, 2019:

 
Class A Common Stock
 
Class B Common Stock
BALANCE, December 31, 2016
268,897,792

 
1

Exchange of Charter Holdings units held by A/N (see Note 11)
1,263,497

 
—

Exercise of stock options
1,044,526

 
—

Restricted stock issuances, net of cancellations
9,517

 
—

Restricted stock unit vesting
1,159,083

 
—

Purchase of treasury stock
(33,868,356
)
 
—

BALANCE, December 31, 2017
238,506,059

 
1

Exercise of stock options
576,583

 
—

Restricted stock issuances, net of cancellations
10,223

 
—

Restricted stock unit vesting
618,649

 
—

Purchase of treasury stock
(14,357,707
)
 
—

BALANCE, December 31, 2018
225,353,807

 
1

Exercise of stock options
1,271,419

 
—

Restricted stock issuances, net of cancellations
8,284

 
—

Restricted stock unit vesting
728,553

 
—

Purchase of treasury stock
(17,386,100
)
 
—

BALANCE, December 31, 2019
209,975,963

 
1
Class of Treasury Stock
The following represents the Company's purchase of Charter Class A common stock and the effect on the consolidated statements of cash flows during the years ended December 31, 2019, 2018 and 2017.

 
Year Ended December 31,
 
2019
 
2018
 
2017
 
Shares
 
$
 
Shares
 
$
 
Shares
 
$
Share buybacks
16,697,458

 
$
6,734

 
14,108,919

 
$
4,322

 
33,375,878

 
$
11,570

Income tax withholding
380,797

 
139

 
224,319

 
77

 
447,455

 
145

Exercise cost
307,845

 
 
 
24,469

 
 
 
45,023

 
 
 
17,386,100

 
$
6,873

 
14,357,707

 
$
4,399

 
33,868,356

 
$
11,715