XML 33 R21.htm IDEA: XBRL DOCUMENT
v3.21.2

Net Income per Share (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2021
Earnings Per Share [Abstract] |
Summary of denominators for the computation of basic and diluted earnings per share | The following table sets forth the calculation of net income per share:
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
| (In millions, except net income per share)
Numerator: |  |  |  |  |  |  |
Net income | $ | 185 |  |  | $ | 276 |  |  | $ | 413 |  |  | $ | 454 |
Denominator: |  |  |  |  |  |  |
Shares outstanding at the beginning of the period | 57.7 |  |  | 58.6 |  |  | 58.0 |  |  | 61.9 |
Weighted-average number of shares issued: |  |  |  |  |  |  |
Stock purchases | — |  |  | — |  |  | (0.5) |  |  | (2.5) |
Stock-based compensation | — |  |  | — |  |  | 0.2 |  |  | — |
Denominator for basic net income per share | 57.7 |  |  | 58.6 |  |  | 57.7 |  |  | 59.4 |
Effect of dilutive securities: (1) |  |  |  |  |  |  |
Stock-based compensation | 0.7 |  |  | 0.8 |  |  | 0.8 |  |  | 0.8 |
Denominator for diluted net income per share | 58.4 |  |  | 59.4 |  |  | 58.5 |  |  | 60.2 |
Net income per share - Basic (2) | $ | 3.20 |  |  | $ | 4.72 |  |  | $ | 7.14 |  |  | $ | 7.65 |
Net income per share - Diluted (2) | $ | 3.16 |  |  | $ | 4.65 |  |  | $ | 7.05 |  |  | $ | 7.54 |
______________________________ (1) The dilutive effect of all potentially dilutive common shares is calculated using the treasury stock method. (2) Source data for calculations in thousands.

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=124432515&loc=d3e3550-109257 + Details
Name: | us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration