CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (Unaudited) - 3 months ended May 31, 2018 - USD ($) $ in Thousands	Total		Additional Paid-in Capital	Accumulated Deficit	Noncontrolling Interests	Class B Common Stock Common Stock	Class A Common Stock Common Stock
Beginning Balance at Feb. 28, 2018	$ 78,263		$ 594,708	$ (547,252)	$ 30,680	$ 11	$ 116
Beginning Balance (in shares) at Feb. 28, 2018						1,142,366	11,649,440
Net income	24,239			23,485	754
Issuance of common stock to employees and officers	390		389			$ 1	$ 0
Issuance of common stock to employees and officers (in shares)						100,000	(4,097)
Exercise of stock options	120		119				$ 1
Distributions to noncontrolling interests	(1,721)				(1,721)
Ending Balance at May. 31, 2018	$ 101,291		$ 595,216	$ (523,767)	$ 29,713	$ 12	$ 117
Ending Balance (in shares) at May. 31, 2018						1,242,366	11,691,177
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	45,834	[1]					45,834

[1] Cash received from option exercises for the three months ended May 31, 2017 and 2018 was $0.1 million and $0.1 million, respectively. The Company did not record an income tax benefit relating to the options exercised during the three months ended May 31, 2017 or 2018.