Consolidated Statements Of Comprehensive Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Consolidated Statements Of Comprehensive Income [Abstract]
Operating revenues	$ 195,172	$ 200,306
Operating expenses
Labor	86,715	89,009
Production and distribution	74,173	76,269
Advertising, selling, general and administrative	15,812	15,340
Depreciation and software amortization	5,336	5,159
Intangible asset amortization	204	210
Total operating expenses	182,240	185,987
Operating income	12,932	14,319
Other expenses (income)
Interest expense	1,019	636
Interest income	(29)	(69)
Other, net	655	642
Total nonoperating expenses (income)	1,645	1,209
Income before income taxes	11,287	13,110
Income tax expense	4,494	5,193
Net income	6,793	7,917
Basic earnings per common share	$ 0.11	$ 0.12
Weighted-average common shares outstanding	62,910	63,705
Diluted earnings per common share	$ 0.11	$ 0.12
Weighted-average common and common equivalent shares outstanding	63,273	64,244
Other comprehensive income, net of tax
Adjustment to pension liability	901	685
Foreign currency translation adjustments	886	784
Total other comprehensive income, net of tax	1,787	1,469
Comprehensive income	$ 8,580	$ 9,386