Selected Quarterly Financial Data (unaudited) (Details) - USD ($)	3 Months Ended								12 Months Ended
	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Quarterly Financial Data [Abstract]
Revenues	$ 435,778,000	$ 422,771,000	$ 406,413,000	$ 384,666,000	$ 425,908,000	$ 398,179,000	$ 398,905,000	$ 371,184,000	$ 1,649,628,000	$ 1,594,176,000	$ 1,468,708,000
Income from operations	(86,554,000)	128,038,000	60,113,000	29,012,000	73,292,000	47,106,000	68,862,000	52,852,000	130,609,000	242,112,000	186,515,000
Net earnings	$ (90,515,000)	$ 80,904,000	$ 32,519,000	$ 11,029,000	$ 42,579,000	$ 25,256,000	$ 39,591,000	$ 29,365,000	$ 33,937,000	$ 136,791,000	$ 113,541,000
Basic earnings per share (in dollars per share)	$ (2.03)	$ 1.81	$ 0.73	$ 0.25	$ 0.95	$ 0.57	$ 0.89	$ 0.66	$ 0.76	$ 3.07	$ 2.54
Diluted earnings per share (in dollars per share)	(2.03)	1.79	0.72	0.24	0.94	0.56	0.87	0.65	0.75	3.02	2.50
Dividends paid per share (in dollars per share)	$ 0.4950	$ 0.4950	$ 0.4575	$ 0.4575	$ 0.4575	$ 0.4575	$ 0.4325	$ 0.4325	$ 1.905	$ 1.78	$ 1.68
Restructuring charges	$ 2,400,000	$ 3,500,000	$ 1,000,000	$ 3,400,000		$ 9,900,000	$ 6,700,000		$ 10,300,000	$ 16,600,000	$ 24,500,000
Reduction in estimated contingent consideration payable	3,200,000	1,800,000		1,400,000	$ 1,500,000		1,100,000		(4,104,000)	(1,500,000)	(5,700,000)
Reversal of excess restructuring accrual	(1,700,000)			(1,100,000)
Merger related costs			3,500,000	12,700,000
Goodwill, impairment loss									116,949,000	0	0
Impairment of indefinite lived intangible assets										0	0
National media [Member]
Quarterly Financial Data [Abstract]
Revenues	294,614,000	281,843,000	266,527,000	258,199,000	295,847,000	275,298,000	242,381,000	$ 246,326,000	1,101,183,000	1,059,852,000	1,065,898,000
Income from operations	(108,860,000)	34,781,000	33,583,000	22,803,000	44,219,000	23,460,000	26,107,000	28,895,000	(17,693,000)	122,681,000	113,113,000
Goodwill, impairment loss									116,949,000
Local media [Member]
Quarterly Financial Data [Abstract]
Revenues	141,164,000	140,928,000	139,886,000	126,467,000	130,061,000	122,881,000	156,524,000	124,858,000	548,445,000	534,324,000	402,810,000
Income from operations	42,563,000	46,150,000	40,441,000	29,327,000	39,959,000	31,420,000	54,986,000	36,312,000	158,481,000	162,677,000	113,060,000
Goodwill, impairment loss									0
Unallocated corporate [Member]
Quarterly Financial Data [Abstract]
Income from operations	$ (20,257,000)	$ 47,107,000	$ (13,911,000)	$ (23,118,000)	$ (10,886,000)	$ (7,774,000)	$ (12,231,000)	$ (12,355,000)	(10,179,000)	(43,246,000)	(39,658,000)
Pension [Member]
Quarterly Financial Data [Abstract]
Settlement charge									$ (5,586,000)	$ 0	0
Trademarks [Member] | National media [Member]
Quarterly Financial Data [Abstract]
Impairment of indefinite lived intangible assets											$ 9,500,000