Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Current assets
Cash and cash equivalents	$ 67,234	$ 88,747
Accounts receivable (less allowance for doubtful accounts of $1,251 at September 30, 2014 and $1,729 at December 31, 2013)	107,867	120,122
Inventory	1,540	1,286
Prepaid expenses	9,192	8,528
Current deferred income tax asset	4,942	7,696
Prepaid income tax	3,062	4,755
Other current assets	7,338	8,171
Total current assets	201,175	239,305
Property, plant and equipment (less accumulated depreciation of $175,684 at September 30, 2014 and $169,854 at December 31, 2013)	36,008	40,711
Goodwill	398,164	398,164
Other intangible assets (less accumulated amortization of $9,768 at September 30, 2014 and $9,748 at December 31, 2013)	2,283	2,303
Other assets	3,565	5,053
Total assets	641,195	685,536
Current liabilities
Current maturities of long-term debt	18,375	15,313
Accounts payable	32,965	36,756
Accrued payroll and related expenses	12,121	16,255
Deferred revenue and customer advances	30,502	36,257
Income taxes payable	1,496	3,407
Customer postage and program deposits	16,557	23,877
Other current liabilities	5,931	8,978
Total current liabilities	117,947	140,843
Long-term debt	68,906	82,687
Other long-term liabilities (including deferred income taxes of $69,928 at September 30, 2014 and $65,788 at December 31, 2013)	109,761	112,952
Total liabilities	296,614	336,482
Stockholders' equity
Common stock, $1 par value, 250,000,000 shares authorized 119,598,385 shares issued at September 30, 2014 and 119,186,705 shares issued at December 31, 2013	119,598	119,187
Additional paid-in capital	346,651	345,095
Retained earnings	1,160,949	1,163,201
Less treasury stock, 57,459,160 shares at cost at September 30, 2014 and 56,600,972 shares at cost at December 31, 2013	(1,255,372)	(1,250,311)
Accumulated other comprehensive loss	(27,245)	(28,118)
Total stockholders' equity	344,581	349,054
Total liabilities and stockholders' equity	$ 641,195	$ 685,536