Financial Information about Industry Segments (Details) (USD $)	3 Months Ended								12 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2012 segment measures	Jun. 30, 2011	Jun. 30, 2010
Segment Reporting Information [Line Items]
Number of reportable segments									2
Number of principal financial measures									2
Revenues	$ 374,548,000	$ 345,513,000	$ 328,717,000	$ 327,909,000	$ 352,926,000	$ 338,881,000	$ 365,933,000	$ 342,740,000	$ 1,376,687,000	$ 1,400,480,000	$ 1,382,831,000
Income from operations	54,390,000	38,300,000	54,860,000	38,221,000	54,247,000	52,349,000	70,513,000	48,182,000	185,771,000	225,291,000	185,122,000
Depreciation and amortization									44,326,000	39,545,000	40,889,000
Assets	2,016,299,000				1,712,829,000				2,016,299,000	1,712,829,000	1,727,316,000
Capital expenditures									35,718,000	29,906,000	24,721,000
National Media [Member]
Segment Reporting Information [Line Items]
Revenues	289,855,000	267,603,000	244,315,000	258,612,000	275,138,000	267,886,000	268,483,000	266,715,000	1,060,385,000	1,078,222,000	1,100,469,000
Income from operations	37,889,000	23,330,000	35,797,000	36,004,000	49,331,000	48,467,000	42,200,000	39,630,000	133,020,000	179,628,000	170,161,000
Depreciation and amortization									17,617,000	13,516,000	14,397,000
Assets	1,332,505,000				998,829,000				1,332,505,000	998,829,000	992,574,000
Capital expenditures									8,544,000	8,636,000	2,277,000
Local Media [Member]
Segment Reporting Information [Line Items]
Amortization of broadcast rights									11,900,000	17,100,000	22,600,000
Revenues	84,693,000	77,910,000	84,402,000	69,297,000	77,788,000	70,995,000	97,450,000	76,025,000	316,302,000	322,258,000	282,362,000
Income from operations	27,424,000	22,654,000	27,156,000	11,057,000	19,294,000	13,281,000	38,549,000	16,728,000	88,291,000	87,852,000	52,910,000
Depreciation and amortization									24,732,000	24,003,000	24,417,000
Assets	589,096,000				595,633,000				589,096,000	595,633,000	609,218,000
Capital expenditures									13,385,000	14,431,000	18,807,000
Unallocated Corporate [Member]
Segment Reporting Information [Line Items]
Income from operations	(10,923,000)	(7,684,000)	(8,093,000)	(8,840,000)	(14,378,000)	(9,399,000)	(10,236,000)	(8,176,000)	(35,540,000)	(42,189,000)	(37,949,000)
Depreciation and amortization									1,977,000	2,026,000	2,075,000
Assets	94,698,000				118,367,000				94,698,000	118,367,000	125,524,000
Capital expenditures									$ 13,789,000	$ 6,839,000	$ 3,637,000