Consolidated Balance Sheets (Parenthetical) - $ / shares	May 31, 2023	Feb. 28, 2023
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Treasury stock, shares	3,741,744	3,370,657
Common Class A [Member]
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	60,000,000	60,000,000
Common stock, shares issued	24,538,184	24,538,184
Common stock, shares outstanding	20,796,440	21,167,527
Treasury stock, shares	3,741,744	3,370,657
Common Class B [Member]
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	10,000,000	10,000,000
Common stock, shares issued	2,260,954	2,260,954
Common stock, shares outstanding	2,260,954	2,260,954