Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Income Statement [Abstract]
Operating revenues	$ 94,722	$ 97,317	$ 189,616	$ 196,880
Operating expenses
Labor	57,103	62,444	117,453	124,996
Production and distribution	26,521	27,427	53,399	57,306
Advertising, selling, general and administrative	10,226	10,934	21,286	23,577
Depreciation, software and intangible asset amortization	2,663	3,201	5,610	6,237
Total operating expenses	96,513	104,006	197,748	212,116
Operating loss	(1,791)	(6,689)	(8,132)	(15,236)
Other (income) and expenses
Interest expense, net	1,235	2,400	2,258	3,781
Other, net	1,826	597	3,324	348
Total other (income) expenses	3,061	2,997	5,582	4,129
Loss from continuing operations before income taxes	(4,852)	(9,686)	(13,714)	(19,365)
Income tax benefit	(2,199)	(2,774)	(3,675)	(5,506)
Loss from continuing operations	(2,653)	(6,912)	(10,039)	(13,859)
Income from discontinued operations, net of income taxes	0	2,649	0	3,993
Net loss	$ (2,653)	$ (4,263)	$ (10,039)	$ (9,866)
Basic earnings (loss) per common share
Continuing operations (in dollars per share)	$ (0.04)	$ (0.11)	$ (0.16)	$ (0.23)
Discontinued operations (in dollars per share)	0.00	0.04	0.00	0.07
Basic earnings per common share (in dollars per share)	$ (0.04)	$ (0.07)	$ (0.16)	$ (0.16)
Weighted-average common shares outstanding (in shares)	61,896	61,460	61,792	61,395
Diluted earnings (loss) per common share
Continuing operations (in dollars per share)	$ (0.04)	$ (0.11)	$ (0.16)	$ (0.23)
Discontinued operations (in dollars per share)	0.00	0.04	0.00	0.07
Diluted earnings per common share (in dollars per share)	$ (0.04)	$ (0.07)	$ (0.16)	$ (0.16)
Weighted-average common and common equivalent shares outstanding (in shares)	61,896	61,460	61,792	61,395
Declared dividends per share			$ 0.00	$ 0.09
Other comprehensive income (loss), net of tax
Adjustment to pension liability	$ 413	$ 357	$ 751	$ 880
Foreign currency translation adjustment	599	(949)	644	(1,419)
Total other comprehensive income (loss), net of tax	1,012	(592)	1,395	(539)
Comprehensive loss	$ (1,641)	$ (4,855)	$ (8,644)	$ (10,405)