Net income per common share (Tables)
|9 Months Ended|
Oct. 31, 2020
|Net income per common share|
|Schedule reconciliation of net income and the number of shares of common stock used in the computation of net income per basic and diluted share||
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.
Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef