Consolidated Balance Sheet (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
ASSETS
Cash and cash equivalents	$ 21,342	$ 49,917
Accounts receivable less allowances of $12,033 (2010 - $13,332)	112,721	112,999
Inventories	8,888	7,728
Current deferred income taxes	14,850	15,098
Prepaid income taxes	764	770
Prepaid expenses	10,031	10,285
Total current assets	168,596	196,797
Investments of deferred compensation plans	31,339	28,304
Properties and equipment, at cost, less accumulated depreciation of $142,067 (2010 - $132,696)	83,484	79,292
Identifiable intangible assets less accumulated amortization of $28,530 (2010 - $27,438)	55,983	56,410
Goodwill	460,747	458,343
Other assets	14,907	11,015
Total Assets	815,056	830,161
LIABILITIES
Accounts payable	59,186	55,829
Income taxes	8,267	1,161
Accrued insurance	35,655	36,492
Accrued compensation	40,376	39,719
Other current liabilities	17,308	16,141
Total current liabilities	160,792	149,342
Deferred income taxes	23,262	25,085
Long-term debt	164,841	159,208
Deferred compensation liabilities	30,267	27,851
Other liabilities	9,559	6,626
Total Liabilities	388,721	368,112
STOCKHOLDERS' EQUITY
Capital stock - authorized 80,000,000 shares $1 par; issued 30,913,424 shares (2010 - 30,381,863 shares)	30,913	30,382
Paid-in capital	394,822	365,007
Retained earnings	524,197	473,316
Treasury stock - 11,128,851 shares (2010 - 9,103,185 shares), at cost	(525,555)	(408,615)
Deferred compensation payable in Company stock	1,958	1,959
Total Stockholders' Equity	426,335	462,049
Total Liabilities and Stockholders' Equity	$ 815,056	$ 830,161