Segment Information - Schedule of Business Segments (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Segment operating revenues:
Total operating revenues	$ 245,728,000	$ 207,600,000	$ 211,946,000	$ 203,794,000	$ 220,830,000	$ 189,535,000	$ 207,853,000	$ 198,653,000	$ 869,068,000	$ 816,871,000	$ 903,458,000
Segment profit (loss):
Defined benefit pension plan expense									(10,000,000)	(8,837,000)	(8,620,000)
Acquisition and related integration costs									(13,974,000)	0	(5,826,000)
Restructuring costs									0	(4,893,000)	(9,335,000)
Depreciation and amortization of intangibles	(12,551,000)	(13,195,000)	(11,595,000)	(11,729,000)	(12,078,000)	(12,096,000)	(11,774,000)	(11,814,000)	(49,070,000)	(47,762,000)	(49,332,000)
(Losses) gains, net on disposal of property, plant and equipment	(601,000)	2,951,000	(22,000)	(68,000)	(26,000)	(177,000)	42,000	(5,000)	2,260,000	(166,000)	(474,000)
Interest expense	(2,147,000)	(2,050,000)	(2,043,000)	(2,254,000)	(2,524,000)	(2,655,000)	(2,656,000)	(2,613,000)	(8,494,000)	(10,448,000)	(12,246,000)
Miscellaneous, net	(7,328,000)	(216,000)	(400,000)	(445,000)	(7,735,000)	(1,087,000)	(1,634,000)	(1,304,000)	(8,389,000)	(11,760,000)	(4,747,000)
Income (loss) before income taxes									12,254,000	(8,572,000)	56,907,000
Depreciation:
Total depreciation									40,668,000	40,839,000	42,258,000
Amortization of intangibles:
Total amortization of intangibles									8,402,000	6,923,000	7,074,000
Additions to property, plant and equipment:
Total additions to property, plant and equipment									19,008,000	21,355,000	30,210,000
Assets
Total assets	1,032,731,000				966,130,000				1,032,731,000	966,130,000	1,030,768,000
Television
Segment operating revenues:
Total operating revenues									486,322,000	422,763,000	493,896,000
Segment profit (loss):
Segment profit (loss)									134,885,000	99,790,000	159,917,000
Depreciation:
Total depreciation									21,676,000	22,561,000	23,022,000
Amortization of intangibles:
Total amortization of intangibles									7,092,000	6,378,000	6,413,000
Additions to property, plant and equipment:
Total additions to property, plant and equipment									13,039,000	12,595,000	19,947,000
Assets
Total assets	509,569,000				410,529,000				509,569,000	410,529,000	415,174,000
Newspapers
Segment operating revenues:
Total operating revenues									370,316,000	384,514,000	399,091,000
Segment profit (loss):
Segment profit (loss)									20,783,000	27,965,000	27,595,000
Depreciation:
Total depreciation									15,933,000	16,204,000	18,186,000
Amortization of intangibles:
Total amortization of intangibles									390,000	545,000	661,000
Additions to property, plant and equipment:
Total additions to property, plant and equipment									2,206,000	2,399,000	2,771,000
Assets
Total assets	232,420,000				261,974,000				232,420,000	261,974,000	278,110,000
Syndication and other
Segment operating revenues:
Total operating revenues									12,430,000	9,594,000	10,471,000
Segment profit (loss):
Segment profit (loss)									(1,871,000)	102,000	(347,000)
Depreciation:
Total depreciation									495,000	78,000	55,000
Amortization of intangibles:
Total amortization of intangibles									920,000	0	0
Additions to property, plant and equipment:
Total additions to property, plant and equipment									1,335,000	0	780,000
Assets
Total assets	44,178,000				2,017,000				44,178,000	2,017,000	3,837,000
Shared Services And Corporate [Member]
Segment profit (loss):
Segment profit (loss)									(53,876,000)	(52,563,000)	(39,678,000)
Depreciation:
Total depreciation									2,564,000	1,996,000	995,000
Additions to property, plant and equipment:
Total additions to property, plant and equipment									2,428,000	6,361,000	6,712,000
Assets
Total assets	$ 246,564,000				$ 291,610,000				$ 246,564,000	$ 291,610,000	$ 333,647,000