CONDENSED CONSOLIDATED STATEMENTS OF FINANCIAL POSITION (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
ASSETS
Cash and cash equivalents	$ 30,219	$ 20,913
Trade receivables, short-term, net of allowance for doubtful accounts of $6,359 and $6,694, respectively	71,715	59,389
Financed receivables, short-term, net of allowance for doubtful accounts of $1,622 and $1,531, respectively	11,668	11,044
Materials and supplies	10,607	11,899
Deferred income taxes, net	30,575	27,396
Other current assets	17,096	20,380
Total Current Assets	171,880	151,021
Equipment and property, net	76,046	74,013
Goodwill	210,898	210,779
Customer contracts and other intangible assets, net	140,598	147,556
Deferred income taxes, net	12,223	15,106
Financed receivables, long-term, net of allowance for doubtful accounts of $1,278 and $1,169, respectively	11,108	10,193
Other assets	9,670	10,346
Total Assets	632,423	619,014
LIABILITIES
Accounts payable	23,951	25,940
Accrued insurance	20,801	18,652
Accrued compensation and related liabilities	60,365	61,817
Unearned revenues	95,022	85,489
Line of credit		26,000
Other current liabilities	35,774	28,543
Total current liabilities	235,913	246,441
Accrued insurance, less current portion	27,462	27,221
Accrued pension	7,573	12,515
Long-term accrued liabilities	34,977	34,867
Total Liabilities	305,925	321,044
Commitments and Contingencies
STOCKHOLDERS' EQUITY
Preferred stock, without par value; 500,000 authorized, zero shares issued
Common stock, par value $1 per share; 170,000,000 shares authorized, 146,291,631 and 147,181,472 shares issued, respectively	146,292	147,181
Paid in capital	34,537	27,816
Accumulated other comprehensive loss	(33,548)	(32,490)
Retained earnings	179,217	155,463
Total Stockholders' Equity	326,498	297,970
Total Liabilities and Stockholders' Equity	$ 632,423	$ 619,014