XML 55 R41.htm IDEA: XBRL DOCUMENT
v3.21.1

Net Income Per Share (Tables) | 3 Months Ended
--- | ---
Apr. 30, 2021
Earnings Per Share [Abstract] |
Schedule of Computation of the Numerators and Denominators Used in the Basic and Diluted Net Loss Per Share Amounts | The following table sets forth the computation of the numerators and denominators used in the basic and diluted net income per share amounts:
| Three Months Ended April 30, |  |
| 2021 |  | 2020 |  |  |  |
Numerator: |  |  |  |  |  |  |
Net income | $ | 155.6 |  |  | $ | 66.5 |  |  |  |  |
Denominator: |  |  |  |  |  |  |
Denominator for basic net income per share—weighted average shares | 219.6 |  |  | 219.2 |  |  |  |  |
Effect of dilutive securities | 2.4 |  |  | 2.1 |  |  |  |  |
Denominator for dilutive net income per share | 222.0 |  |  | 221.3 |  |  |  |  |
Basic net income per share | $ | 0.71 |  |  | $ | 0.30 |  |  |  |  |
Diluted net income per share | $ | 0.70 |  |  | $ | 0.30 |  |  |  |  |

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