XML 38 R27.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Net Income Per Share of Class A and Class B Common Stock (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2017
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted |
Three Months Ended June 30, |  | 2017 |  | 2016
(in thousands, except per share data) |  | Class A |  | Class B |  | Class A |  | Class B
Net income applicable to common stockholders - basic |  | $ | 50,520 |  |  | $ | 2,680 |  |  | $ | 47,869 |  |  | $ | 3,559 |
Reallocation of net income as a result of conversion of dilutive stock options |  | 1 |  |  | (1 | ) |  | 1 |  |  | (1 | )
Reallocation of net income due to conversion of Class B to Class A common shares outstanding |  | 340 |  |  | — |  |  | 440 |  |  | — |
Conversion of Class B common shares into Class A common shares |  | 2,334 |  |  | — |  |  | 3,109 |  |  | — |
Effect of dilutive stock options on net income |  | 5 |  |  | (5 | ) |  | 9 |  |  | (9 | )
Net income applicable to common stockholders - diluted |  | $ | 53,200 |  |  | $ | 2,674 |  |  | $ | 51,428 |  |  | $ | 3,549 |
Weighted average common shares outstanding – basic |  | 23,791 |  |  | 1,262 |  |  | 23,700 |  |  | 1,762 |
Conversion of Class B common shares into Class A common shares |  | 1,262 |  |  | — |  |  | 1,762 |  |  | — |
Effect of dilutive stock options on weighted average common shares |  | 53 |  |  | — |  |  | 72 |  |  | — |
Weighted average common shares outstanding – diluted |  | 25,106 |  |  | 1,262 |  |  | 25,534 |  |  | 1,762 |
Net income per common share - basic |  | $ | 2.12 |  |  | $ | 2.12 |  |  | $ | 2.02 |  |  | $ | 2.02 |
Net income per common share - diluted |  | $ | 2.12 |  |  | $ | 2.12 |  |  | $ | 2.01 |  |  | $ | 2.01 |
Three Months Ended June 30, |  | 2017 |  | 2016
Diluted EPS |  | Class A |  | Class B |  | Class A |  | Class B
Antidilutive Securities |  |  |  |  |  |  |  |
Shares issuable pursuant to stock options not included since they were antidilutive |  | 22 |  |  | — |  |  | — |  |  | — |
Six Months Ended June 30, |  | 2017 |  | 2016
(in thousands, except per share data) |  | Class A |  | Class B |  | Class A |  | Class B
Net income applicable to common stockholders - basic |  | $ | 98,337 |  |  | $ | 5,590 |  |  | $ | 84,445 |  |  | $ | 7,253 |
Reallocation of distributed net income as a result of conversion of dilutive stock options |  | 2 |  |  | (2 | ) |  | 5 |  |  | (5 | )
Reallocation of distributed net income due to conversion of Class B to Class A common shares outstanding |  | 700 |  |  | — |  |  | 907 |  |  | — |
Conversion of Class B common shares into Class A common shares |  | 4,876 |  |  | — |  |  | 6,313 |  |  | — |
Effect of dilutive stock options on net income |  | 12 |  |  | (12 | ) |  | 28 |  |  | (28 | )
Net income applicable to common stockholders - diluted |  | $ | 103,927 |  |  | $ | 5,576 |  |  | $ | 91,698 |  |  | $ | 7,220 |
Weighted average common shares outstanding – basic |  | 23,765 |  |  | 1,351 |  |  | 23,611 |  |  | 2,028 |
Conversion of Class B common shares into Class A common shares |  | 1,351 |  |  | — |  |  | 2,028 |  |  | — |
Effect of dilutive stock options on weighted average common shares |  | 61 |  |  | — |  |  | 115 |  |  | — |
Weighted average common shares outstanding – diluted |  | 25,177 |  |  | 1,351 |  |  | 25,754 |  |  | 2,028 |
Net income per common share - basic |  | $ | 4.14 |  |  | $ | 4.14 |  |  | $ | 3.58 |  |  | $ | 3.58 |
Net income per common share - diluted |  | $ | 4.13 |  |  | $ | 4.13 |  |  | $ | 3.56 |  |  | $ | 3.56 |
Six Months Ended June 30, |  | 2017 |  | 2016
Diluted EPS |  | Class A |  | Class B |  | Class A |  | Class B
Antidilutive Securities |  |  |  |  |  |  |  |
Shares issuable pursuant to stock options not included since they were antidilutive |  | 11 |  |  | — |  |  | 10 |  |  | — |

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

X
- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration