Financial Information about Industry Segments (Details) (USD $)	3 Months Ended								12 Months Ended
	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2009	Sep. 30, 2009	Jun. 30, 2011 percent stations segment measures stockclasses	Jun. 30, 2010	Jun. 30, 2009
Segment Reporting Information [Line Items]
Number of reportable segments									2
Number of principle financial measures									2
Goodwill and intangible assets impairment									$ 0	$ 0	$ 294,529,000
Revenues	352,926,000	338,881,000	365,933,000	342,740,000	364,059,000	351,799,000	336,038,000	330,935,000	1,400,480,000	1,382,831,000	1,404,834,000
Income (loss) from operations	54,247,000	52,349,000	70,513,000	48,182,000	57,906,000	57,348,000	37,785,000	32,083,000	225,291,000	185,122,000	(132,122,000)
Depreciation and amortization									39,545,000	40,889,000	42,573,000
Assets	1,712,829,000				1,727,316,000				1,712,829,000	1,727,316,000	1,669,303,000
Capital expenditures									29,906,000	24,721,000	23,475,000
National Media [Member]
Segment Reporting Information [Line Items]
Revenues	275,138,000	267,886,000	268,483,000	266,715,000	286,946,000	283,041,000	260,358,000	270,124,000	1,078,222,000	1,100,469,000	1,130,298,000
Income (loss) from operations	49,331,000	48,467,000	42,200,000	39,630,000	46,974,000	51,744,000	32,349,000	39,094,000	179,628,000	170,161,000	154,023,000
Depreciation and amortization									13,516,000	14,397,000	15,424,000
Assets	998,829,000				992,574,000				998,829,000	992,574,000	964,615,000
Capital expenditures									8,636,000	2,277,000	3,860,000
Local Media [Member]
Segment Reporting Information [Line Items]
Goodwill and intangible assets impairment											294,500,000
Amortization of broadcast rights									17,100,000	22,600,000	25,100,000
Revenues	77,788,000	70,995,000	97,450,000	76,025,000	77,113,000	68,758,000	75,680,000	60,811,000	322,258,000	282,362,000	274,536,000
Income (loss) from operations	19,294,000	13,281,000	38,549,000	16,728,000	20,619,000	12,828,000	17,063,000	2,400,000	87,852,000	52,910,000	(257,774,000)
Depreciation and amortization									24,003,000	24,417,000	25,180,000
Assets	595,633,000				609,218,000				595,633,000	609,218,000	603,659,000
Capital expenditures									14,431,000	18,807,000	14,731,000
Unallocated Corporate [Member]
Segment Reporting Information [Line Items]
Income (loss) from operations	(14,378,000)	(9,399,000)	(10,236,000)	(8,176,000)	(9,687,000)	(7,224,000)	(11,627,000)	(9,411,000)	(42,189,000)	(37,949,000)	(28,371,000)
Depreciation and amortization									2,026,000	2,075,000	1,969,000
Assets	118,367,000				125,524,000				118,367,000	125,524,000	101,029,000
Capital expenditures									$ 6,839,000	$ 3,637,000	$ 4,884,000