CONSOLIDATED BALANCE SHEETS (USD $) In Thousands	Sep. 30, 2011	Sep. 30, 2010
Current assets:
Cash and cash equivalents	$ 135,752	$ 146,199
Marketable securities available for sale, current portion	105,826	68,615
Accounts receivable, net	104,974	113,187
Prepaid expenses and other current assets	17,929	19,174
Total current assets	364,481	347,175
Marketable securities available for sale, less current portion	4,170	4,367
Other investments	10,934	11,074
Property and equipment, net	33,017	30,975
Goodwill	664,688	665,953
Intangible assets, net	19,498	27,244
Deferred income taxes	25,032	27,774
Other assets	7,648	9,154
Total assets	1,129,468	1,123,716
Current liabilities:
Accounts payable	11,139	8,765
Accrued compensation and employee benefits	36,470	33,697
Other accrued liabilities	47,031	28,732
Deferred revenue	41,768	42,953
Deferred income taxes	2,090
Current maturities on long-term debt	8,000	8,000
Total current liabilities	146,498	122,147
Senior notes	504,000	512,000
Other liabilities	13,476	14,655
Total liabilities	663,974	648,802
Commitments and contingencies
Stockholders' equity:
Preferred stock ($0.01 par value; 1,000 shares authorized; none issued and outstanding)
Common stock ($0.01 par value; 200,000 shares authorized, 88,857 shares issued and 37,084 and 39,882 shares outstanding at September 30, 2011 and 2010, respectively)	371	399
Paid-in-capital	1,098,388	1,103,244
Treasury stock, at cost (51,773 and 48,975 shares at September 30, 2011 and 2010, respectively)	(1,627,180)	(1,556,253)
Retained earnings	1,015,624	947,202
Accumulated other comprehensive loss	(21,709)	(19,678)
Total stockholders' equity	465,494	474,914
Total liabilities and stockholders' equity	$ 1,129,468	$ 1,123,716