CONSOLIDATED BALANCE SHEETS (Unaudited) (PARENTHETICAL) - $ / shares	Apr. 30, 2024	Jan. 31, 2024	Apr. 30, 2023
Preferred Stock, par value	$ 0.01	$ 0.01	$ 0.01
Preferred Stock, shares authorized	5,000,000	5,000,000	5,000,000
Preferred Stock, shares issued	0	0	0
Treasury Stock, Shares	13,404,954	13,328,095	13,208,339
Common Stock Class Undefined
Common Stock, par value	$ 0.01	$ 0.01	$ 0.01
Common Stock, shares authorized	100,000,000	100,000,000	100,000,000
Common Stock, shares issued	29,131,595	29,004,001	28,824,156
Common Stock, shares outstanding	29,131,595	29,004,001	28,824,156
Class A Common Stock
Common Stock, par value	$ 0.01	$ 0.01	$ 0.01
Common Stock, shares authorized	30,000,000	30,000,000	30,000,000
Common Stock, shares issued	6,483,116	6,483,116	6,524,805
Common Stock, shares outstanding	6,483,116	6,483,116	6,524,805