Consolidated Statements of Comprehensive Income (Loss) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Statement [Abstract]
Operating revenues	$ 495,301	$ 553,676	$ 559,609
Operating expenses
Labor	260,839	279,135	281,924
Production and distribution	143,324	166,959	161,600
Advertising, selling, general and administrative	54,530	51,900	54,937
Goodwill and intangible assets impairment	209,938	0	2,750
Depreciation, software and intangible asset amortization	14,245	14,920	15,737
Total operating expenses	682,876	512,914	516,948
Operating income (loss)	(187,575)	40,762	42,661
Other expenses
Interest expense, net	4,759	2,559	2,998
Loss on sale	9,501	0	0
Other, net	1,007	897	46
Nonoperating income	15,267	3,456	3,044
Total income (loss) from continuing operations before income taxes	(202,842)	37,306	39,617
Income tax expense (benefit)	(31,914)	13,315	15,176
Income (loss) from continuing operations	(170,928)	23,991	24,441
Income from discontinued operations, net of income taxes	0	0	1,284
Loss on sales of discontinued operations, net of income taxes	0	0	(12,355)
Loss from discontinued operations	0	0	(11,071)
Net income (loss)	$ (170,928)	$ 23,991	$ 13,370
Basic earnings (loss) per common share
Continuing operations (in dollars per share)	$ (2.77)	$ 0.38	$ 0.39
Discontinued operations (in dollars per share)	0.00	0.00	(0.18)
Basic earnings (loss) per common share (in dollars per share)	$ (2.77)	$ 0.38	$ 0.21
Weighted-average common shares outstanding (in shares)	61,643	62,444	62,503
Diluted earnings (loss) per common share
Continuing operations (in dollars per share)	$ (2.77)	$ 0.38	$ 0.39
Discontinued operations (in dollars per share)	0.00	0.00	(0.18)
Diluted earnings (loss) per common share (in dollars per share)	$ (2.77)	$ 0.38	$ 0.21
Weighted-average common and common equivalent shares outstanding (in shares)	61,643	62,658	62,812
Other comprehensive income (loss), net of tax
Adjustment to pension liability	$ 5,645	$ (17,281)	$ 22,152
Foreign currency translation adjustments	(1,976)	(1,830)	(536)
Total other comprehensive income (loss), net of tax	3,669	(19,111)	21,616
Comprehensive income (loss)	$ (167,259)	$ 4,880	$ 34,986