Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Current assets
Cash and cash equivalents	$ 77,022	$ 88,747
Accounts receivable (less allowance for doubtful accounts of $1,121 at June 30, 2014 and $1,729 at December 31, 2013)	114,940	120,122
Inventory	1,468	1,286
Prepaid expenses	10,350	8,528
Current deferred income tax asset	5,900	7,696
Prepaid income tax	3,061	4,755
Other current assets	7,362	8,171
Total current assets	220,103	239,305
Property, plant and equipment (less accumulated depreciation of $175,992 at June 30, 2014 and $169,854 at December 31, 2013)	37,988	40,711
Goodwill	398,164	398,164
Other intangible assets (less accumulated amortization of $9,761 at June 30, 2014 and $9,748 at December 31, 2013)	2,290	2,303
Other assets	3,966	5,053
Total assets	662,511	685,536
Current liabilities
Current maturities of long-term debt	18,375	15,313
Accounts payable	37,127	36,756
Accrued payroll and related expenses	13,134	16,255
Deferred revenue and customer advances	35,618	36,257
Income taxes payable	888	3,407
Customer postage and program deposits	20,227	23,877
Other current liabilities	6,145	8,978
Total current liabilities	131,514	140,843
Long-term debt	73,500	82,687
Other long-term liabilities (including deferred income taxes of $68,667 at June 30, 2014 and $65,788 at December 31, 2013)	111,100	112,952
Total liabilities	316,114	336,482
Stockholders' equity
Common stock, $1 par value, 250,000,000 shares authorized 119,486,561 shares issued at June 30, 2014 and 119,186,705 shares issued at December 31, 2013	119,487	119,187
Additional paid-in capital	346,052	345,095
Retained earnings	1,159,895	1,163,201
Less treasury stock, 56,964,849 shares at cost at June 30, 2014 and 56,600,972 shares at cost at December 31, 2013	(1,252,582)	(1,250,311)
Accumulated other comprehensive loss	(26,455)	(28,118)
Total stockholders' equity	346,397	349,054
Total liabilities and stockholders' equity	$ 662,511	$ 685,536