XML 45 R34.htm IDEA: XBRL DOCUMENT
v3.21.2

Equity (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2021
Equity [Abstract] |
Schedule of Activity for Class B Common Stock and Treasury Stock | The following table presents the activity for the Class B common stock and Treasury stock for the three and six months ended June 30, 2021 and 2020. Class A shares have been excluded as there was no activity during these same periods.
|  | Three Months Ended |  | Six Months Ended
|  | June 30, |  | June 30,
|  | 2021 |  | 2020 |  | 2021 |  | 2020
Class B Shares |  |  |  |  |  |  |  |
Beginning Balance |  | 98,539,367 |  |  | 101,065,709 |  |  | 99,331,443 |  |  | 101,130,379 |
Stock Award Activity |  | 11,750 |  |  | 56,750 |  |  | 724,674 |  |  | 706,331 |
Purchase of Treasury Stock |  | (993,100) |  |  | (843,416) |  |  | (2,498,100) |  |  | (1,557,667) |
Ending Balance |  | 97,558,017 |  |  | 100,279,043 |  |  | 97,558,017 |  |  | 100,279,043 |
Treasury Shares |  |  |  |  |  |  |  |
Beginning Balance |  | 10,966,089 |  |  | 8,439,747 |  |  | 10,174,013 |  |  | 8,375,077 |
Stock Award Activity |  | (11,750) |  |  | (56,750) |  |  | (724,674) |  |  | (706,331) |
Purchase of Treasury Stock |  | 993,100 |  |  | 843,416 |  |  | 2,498,100 |  |  | 1,557,667 |
Ending Balance |  | 11,947,439 |  |  | 9,226,413 |  |  | 11,947,439 |  |  | 9,226,413 |

X
- References No definition available. + Details
Name: | us-gaap_EquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of changes in the separate accounts comprising stockholders' equity (in addition to retained earnings) and of the changes in the number of shares of equity securities during at least the most recent annual fiscal period and any subsequent interim period presented is required to make the financial statements sufficiently informative if both financial position and results of operations are presented. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21463-112644 + Details
Name: | us-gaap_ScheduleOfStockholdersEquityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration