XML 43 R32.htm IDEA: XBRL DOCUMENT
v3.20.2

Net Income Per Share of Class A and Class B Common Stock (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2020
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted |
Three Months Ended September 30, |  | 2020 |  | 2019
(in millions, except per share data) |  | Class A |  | Class B |  | Class A |  | Class B
Net income applicable to common stockholders - basic |  | $ | 156.0 |  |  | $ | 2.8 |  |  | $ | 83.0 |  |  | $ | 2.2 |
Reallocation of net income due to conversion of Class B to Class A common shares outstanding |  | 0.2 |  |  | — |  |  | 0.2 |  |  | — |
Conversion of Class B common shares into Class A common shares |  | 2.6 |  |  | — |  |  | 2.0 |  |  | — |
Net income applicable to common stockholders - diluted |  | $ | 158.8 |  |  | $ | 2.8 |  |  | $ | 85.2 |  |  | $ | 2.2 |
Weighted average common shares outstanding – basic |  | 22.5 |  |  | 0.4 |  |  | 22.6 |  |  | 0.6 |
Conversion of Class B common shares into Class A common shares |  | 0.4 |  |  | — |  |  | 0.6 |  |  | — |
Effect of dilutive stock options on weighted average common shares |  | 0.2 |  |  | — |  |  | 0.2 |  |  | — |
Weighted average common shares outstanding – diluted |  | 23.1 |  |  | 0.4 |  |  | 23.4 |  |  | 0.6 |
Net income per common share - basic |  | $ | 6.95 |  |  | $ | 6.95 |  |  | $ | 3.67 |  |  | $ | 3.67 |
Net income per common share - diluted |  | $ | 6.86 |  |  | $ | 6.86 |  |  | $ | 3.64 |  |  | $ | 3.64 |
Nine Months Ended September 30, |  | 2020 |  | 2019
(in millions, except per share data) |  | Class A |  | Class B |  | Class A |  | Class B
Net income applicable to common stockholders - basic |  | $ | 276.4 |  |  | $ | 6.3 |  |  | $ | 198.2 |  |  | $ | 5.3 |
Reallocation of net income due to conversion of Class B to Class A common shares outstanding |  | 0.5 |  |  | — |  |  | 0.6 |  |  | — |
Conversion of Class B common shares into Class A common shares |  | 5.8 |  |  | — |  |  | 4.7 |  |  | — |
Net income applicable to common stockholders - diluted |  | $ | 282.7 |  |  | $ | 6.3 |  |  | $ | 203.5 |  |  | $ | 5.3 |
Weighted average common shares outstanding – basic |  | 22.5 |  |  | 0.5 |  |  | 22.6 |  |  | 0.6 |
Conversion of Class B common shares into Class A common shares |  | 0.5 |  |  | — |  |  | 0.6 |  |  | — |
Effect of employee stock purchases and restricted stock units on weighted average common shares |  | 0.2 |  |  | — |  |  | 0.1 |  |  | — |
Weighted average common shares outstanding – diluted |  | 23.2 |  |  | 0.5 |  |  | 23.3 |  |  | 0.6 |
Net income per common share - basic |  | $ | 12.29 |  |  | $ | 12.29 |  |  | $ | 8.77 |  |  | $ | 8.77 |
Net income per common share - diluted |  | $ | 12.18 |  |  | $ | 12.18 |  |  | $ | 8.72 |  |  | $ | 8.72 |

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/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -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