CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Sep. 30, 2013
Current assets:
Cash and cash equivalents	$ 108,176	$ 83,178
Accounts receivable, net	140,368	143,733
Prepaid expenses and other current assets	21,082	22,277
Total current assets	269,626	249,188
Marketable securities available for sale	8,300	7,107
Other investments	11,033	11,033
Property and equipment, net	39,232	45,155
Goodwill	778,177	773,931
Intangible assets, net	52,362	57,361
Deferred income taxes	12,361	11,132
Other assets	6,162	6,640
Total assets	1,177,253	1,161,547
Current liabilities:
Accounts payable	18,373	19,216
Accrued compensation and employee benefits	36,709	39,281
Other accrued liabilities	32,493	35,202
Deferred revenue	55,586	49,181
Current maturities on debt	36,000	23,000
Total current liabilities	179,161	165,880
Senior notes	447,000	447,000
Other liabilities	17,511	17,990
Total liabilities	643,672	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 34,257 and 34,786 shares outstanding at March 31, 2014 and September 30, 2013, respectively)	343	348
Paid-in-capital	1,113,466	1,110,198
Treasury stock, at cost (54,600 and 54,071 shares at March 31, 2014 and September 30, 2013, respectively)	(1,794,652)	(1,751,057)
Retained earnings	1,228,434	1,192,096
Accumulated other comprehensive loss	(14,010)	(20,908)
Total stockholders' equity	533,581	530,677
Total liabilities and stockholders' equity	$ 1,177,253	$ 1,161,547