Unaudited Quarterly Financial Data Unaudited Quarterly Financial Data (Details) - USD ($)	3 Months Ended									6 Months Ended	12 Months Ended
	Feb. 28, 2019	Nov. 30, 2018	Aug. 31, 2018	May 31, 2018	Feb. 28, 2018	Nov. 30, 2017	Aug. 31, 2017	May 31, 2017	Feb. 28, 2017	Aug. 31, 2018	Feb. 28, 2019	Feb. 28, 2018	Feb. 28, 2017
Cost-method Investments, Realized Gain (Loss)									$ 0		$ 530,000	$ 1,416,000
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)									0	$ 9,814,000	25,789,000	0
Allowance for Loan and Lease Losses, Write-offs									0		16,509,000	0
Revenue from Contract with Customer, Excluding Assessed Tax	$ 107,457,000	$ 129,637,000	$ 108,867,000	$ 100,855,000	$ 122,236,000	$ 156,563,000	$ 113,470,000	$ 114,823,000	514,530,000		446,816,000	507,092,000	$ 514,530,000
Gross Profit	23,754,000	38,923,000	31,063,000	27,677,000	32,213,000	41,519,000	28,421,000	30,144,000	144,030,000		121,417,000	132,297,000
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	(38,347,000)	10,569,000	(22,502,000)	(2,552,000)	8,396,000	7,477,000	(19,848,000)	(2,684,000)	(9,268,000)		(52,832,000)	(6,659,000)
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent	0	0	0	0	2,276,000	(368,000)	34,931,000	(2,221,000)	6,066,000		0	34,618,000
Net Income (Loss) Attributable to Parent	$ (36,560,000)	$ 12,211,000	$ (20,803,000)	$ (939,000)	$ 12,585,000	$ 8,644,000	$ 17,106,000	$ (3,031,000)	$ 4,422,000		$ (46,091,000)	$ 35,304,000
Earnings Per Share, Basic	$ (1.50)	$ 0.50	$ (0.85)	$ (0.04)	$ 0.52	$ 0.36	$ 0.71	$ (0.13)	$ 0.18		$ (1.89)	$ 1.45
Income (Loss) from Continuing Operations, Per Diluted Share	(1.50)	0.50	(0.85)	(0.04)	0.42	0.37	(0.74)	(0.03)	(0.07)		(1.89)	0.03
Income (Loss) from Continuing Operations, Per Basic Share	(1.50)	0.50	(0.85)	(0.04)	0.42	0.37	(0.74)	(0.03)	(0.07)		(1.89)	0.03
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Diluted Share	0	0	0	0	0.09	(0.02)	1.45	(0.09)	0.25		0.00	1.41
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic Share	0	0	0	0	0.09	(0.02)	1.45	(0.09)	0.25		0.00	1.43
Earnings Per Share, Diluted	$ (1.50)	$ 0.50	$ (0.85)	$ (0.04)	$ 0.51	$ 0.35	$ 0.71	$ (0.13)	$ 0.18		$ (1.89)	$ 1.44
Impairment of Long-Lived Assets Held-for-use									$ 0		$ 3,473,000	$ 0	$ 0