Consolidated Balance Sheet - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Current assets
Cash and cash equivalents	$ 32,705	$ 14,132
Accounts receivable less allowances of $17,156 (2014 - $14,728)	119,116	124,607
Inventories	6,250	6,168
Current deferred income taxes	16,432	15,414
Prepaid income taxes	3,474	2,787
Prepaid expenses	12,069	11,456
Total current assets	190,046	174,564
Investments of deferred compensation plans	51,940	49,147
Properties and equipment, at cost, less accumulated depreciation of $190,227 ( 2014 - $185,735)	107,556	105,336
Identifiable intangible assets less accumulated amortization of $33,031 (2014 - $32,772)	55,979	56,027
Goodwill	472,546	466,722
Other assets	7,216	8,136
Total Assets	885,283	859,932
Current liabilities
Accounts payable	39,327	46,849
Current portion of long-term debt	7,500	6,250
Income taxes	20	5,818
Accrued insurance	42,589	40,814
Accrued compensation	48,909	50,718
Accrued legal	1,815	753
Other current liabilities	21,752	24,352
Total current liabilities	161,912	175,554
Deferred income taxes	28,280	29,945
Long-term debt	152,500	141,250
Deferred compensation liabilities	52,051	48,684
Other liabilities	12,742	13,143
Total Liabilities	$ 407,485	$ 408,576
Commitments and contingencies
STOCKHOLDERS' EQUITY
Capital stock - authorized 80,000,000 shares $1 par; issued 33,619,982 shares (2014 - 33,337,297 shares)	$ 33,620	$ 33,337
Paid-in capital	562,654	538,845
Retained earnings	815,229	771,176
Treasury stock - 16,800,313 shares (2014 - 16,446,572)	(936,056)	(894,285)
Deferred compensation payable in Company stock	2,351	2,283
Total Stockholders' Equity	477,798	451,356
Total Liabilities and Stockholders' Equity	$ 885,283	$ 859,932