Condensed Consolidated Statements of Operations (Unaudited) (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Nov. 30, 2012	Nov. 30, 2011	Nov. 30, 2012	Nov. 30, 2011
Condensed Consolidated Statements of Operations [Abstract]
Depreciation and amortization expenses excluded from station operating expenses	$ 920	$ 1,001	$ 2,755	$ 3,916
Depreciation and amortization expenses excluded from corporate expenses	$ 496	$ 409	$ 1,446	$ 955