Earnings Per Share and Cash Dividends (Tables)

6 Months Ended

Jul. 31, 2020

Earnings Per Share [Abstract]

Schedule of Number of Shares Used in Calculating Basic and Diluted Earnings (Loss) Per Share

The number of shares used in calculating basic and diluted earnings (loss) per share is as follows (in thousands):

	Three Months Ended July 31,				Six Months Ended July 31,
	2020		2019		2020		2019
Weighted average common shares outstanding:
Basic		23,240		23,138		23,191		23,127
Effect of dilutive securities:
Stock awards and options to purchase shares of    common stock		—		154		—		243
Diluted		23,240		23,292		23,191		23,370