CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Sep. 30, 2013
Current assets:
Cash and cash equivalents	$ 95,937	$ 83,178
Accounts receivable, net	141,112	143,733
Prepaid expenses and other current assets	20,639	22,277
Total current assets	257,688	249,188
Marketable securities available for sale	7,676	7,107
Other investments	11,033	11,033
Property and equipment, net	41,997	45,155
Goodwill	776,831	773,931
Intangible assets, net	55,055	57,361
Deferred income taxes	9,703	11,132
Other assets	6,293	6,640
Total assets	1,166,276	1,161,547
Current liabilities:
Accounts payable	20,976	19,216
Accrued compensation and employee benefits	28,457	39,281
Other accrued liabilities	32,819	35,202
Deferred revenue	48,388	49,181
Current maturities on debt	31,000	23,000
Total current liabilities	161,640	165,880
Senior notes	447,000	447,000
Other liabilities	18,213	17,990
Total liabilities	626,853	630,870
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 34,909 and 34,786 shares outstanding at December 31, 2013 and September 30, 2013, respectively)	349	348
Paid-in-capital	1,105,402	1,110,198
Treasury stock, at cost (53,948 and 54,071 shares at December 31, 2013 and September 30, 2013, respectively)	(1,757,804)	(1,751,057)
Retained earnings	1,208,379	1,192,096
Accumulated other comprehensive loss	(16,903)	(20,908)
Total stockholders' equity	539,423	530,677
Total liabilities and stockholders' equity	$ 1,166,276	$ 1,161,547