Summary of Significant Accounting Policies Assets and Liabilities of Local Programming and Marketing Agreement Fees (Details) - USD ($) $ in Thousands	Aug. 31, 2017	Feb. 28, 2017
Segment Reporting Information [Line Items]
Prepaid expenses	$ 4,877	$ 4,798
Other current assets	1,502	1,503
Total current assets	38,712	46,457
Property and equipment, net	28,613	30,845
Indefinite-lived intangibles	195,648	197,666
Total assets	277,276	289,338
Other current liabilities	6,166	6,807
Total current liabilities	34,868	54,603
Long-term debt, net of current portion	125,244	190,372
Other noncurrent liabilities	5,921	4,842
Total liabilities	210,970	293,354
98.7 FM
Segment Reporting Information [Line Items]
Restricted cash	1,511	1,550
Prepaid expenses	481	445
Other current assets	13	7
Total current assets	2,005	2,002
Property and equipment, net	274	229
Indefinite-lived intangibles	46,390	46,390
Deposits and other	6,406	6,205
Total noncurrent assets	53,070	52,824
Total assets	55,075	54,826
Accounts payable and accrued expenses	22	54
Current maturities of long-term debt	6,317	6,039
Deferred revenue	835	807
Other current liabilities	195	205
Total current liabilities	7,369	7,105
Long-term debt, net of current portion	48,859	51,954
Total noncurrent liabilities	48,859	51,954
Total liabilities	$ 56,228	$ 59,059