Intangible Assets and Goodwill (Intangibles Assets) (Details) - USD ($)	3 Months Ended		12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Finite and Indefinite-lived Intangible Assets by Major Class [Line Items]
Intangible assets subject to amortization, gross amount	$ 307,127,000	$ 295,017,000	$ 307,127,000	$ 295,017,000
Intangible assets subject to amortization, accumulated amortization	(182,147,000)	(166,866,000)	(182,147,000)	(166,866,000)
Intangible assets subject to amortization, net amount	124,980,000	128,151,000	124,980,000	128,151,000
Intangible assets not subject to amortization	830,903,000	785,726,000	830,903,000	785,726,000
Intangible assets, net	955,883,000	913,877,000	955,883,000	913,877,000
Amortization expense			19,122,000	19,722,000	$ 17,628,000
Expected future amortization expense, 2018	17,200,000		17,200,000
Expected future amortization expense, 2019	14,600,000		14,600,000
Expected future amortization expense, 2020	13,800,000		13,800,000
Expected future amortization expense, 2021	9,700,000		9,700,000
Expected future amortization expense, 2022	7,300,000		7,300,000
Impairment of indefinite lived intangible assets					$ 0
National media [Member] | Internet domain names [Member]
Finite and Indefinite-lived Intangible Assets by Major Class [Line Items]
Intangible assets not subject to amortization	7,827,000	7,827,000	7,827,000	7,827,000
National media [Member] | Trademarks [Member]
Finite and Indefinite-lived Intangible Assets by Major Class [Line Items]
Intangible assets not subject to amortization	147,915,000	153,215,000	147,915,000	153,215,000
National media [Member] | Advertiser relationships [Member]
Finite and Indefinite-lived Intangible Assets by Major Class [Line Items]
Intangible assets subject to amortization, gross amount	18,610,000	18,610,000	18,610,000	18,610,000
Intangible assets subject to amortization, accumulated amortization	(15,514,000)	(10,670,000)	(15,514,000)	(10,670,000)
Intangible assets subject to amortization, net amount	3,096,000	7,940,000	3,096,000	7,940,000
National media [Member] | Customer lists [Member]
Finite and Indefinite-lived Intangible Assets by Major Class [Line Items]
Intangible assets subject to amortization, gross amount	7,280,000	5,230,000	7,280,000	5,230,000
Intangible assets subject to amortization, accumulated amortization	(3,395,000)	(4,310,000)	(3,395,000)	(4,310,000)
Intangible assets subject to amortization, net amount	3,885,000	920,000	3,885,000	920,000
National media [Member] | Other intangible assets [Member]
Finite and Indefinite-lived Intangible Assets by Major Class [Line Items]
Intangible assets subject to amortization, gross amount	22,325,000	19,425,000	22,325,000	19,425,000
Intangible assets subject to amortization, accumulated amortization	(9,850,000)	(8,685,000)	(9,850,000)	(8,685,000)
Intangible assets subject to amortization, net amount	12,475,000	10,740,000	12,475,000	10,740,000
Local media [Member] | FCC licenses [Member]
Finite and Indefinite-lived Intangible Assets by Major Class [Line Items]
Intangible assets not subject to amortization	675,161,000	624,684,000	675,161,000	624,684,000
Local media [Member] | Other intangible assets [Member]
Finite and Indefinite-lived Intangible Assets by Major Class [Line Items]
Intangible assets subject to amortization, gross amount	1,680,000	1,214,000	1,680,000	1,214,000
Intangible assets subject to amortization, accumulated amortization	(472,000)	(419,000)	(472,000)	(419,000)
Intangible assets subject to amortization, net amount	1,208,000	795,000	1,208,000	795,000
Local media [Member] | Network affiliation agreements [Member]
Finite and Indefinite-lived Intangible Assets by Major Class [Line Items]
Intangible assets subject to amortization, gross amount	229,309,000	229,309,000	229,309,000	229,309,000
Intangible assets subject to amortization, accumulated amortization	(142,216,000)	(135,789,000)	(142,216,000)	(135,789,000)
Intangible assets subject to amortization, net amount	87,093,000	93,520,000	87,093,000	93,520,000
Local media [Member] | Retransmission agreements [Member]
Finite and Indefinite-lived Intangible Assets by Major Class [Line Items]
Intangible assets subject to amortization, gross amount	27,923,000	21,229,000	27,923,000	21,229,000
Intangible assets subject to amortization, accumulated amortization	(10,700,000)	(6,993,000)	(10,700,000)	(6,993,000)
Intangible assets subject to amortization, net amount	17,223,000	14,236,000	$ 17,223,000	$ 14,236,000
Impairment of goodwill and other long-lived assets [Member] | National media [Member] | Trademarks [Member]
Finite and Indefinite-lived Intangible Assets by Major Class [Line Items]
Impairment of indefinite lived intangible assets	$ 5,300,000	$ 38,900,000