CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Dec. 31, 2015	Sep. 30, 2015
Current assets:
Cash and cash equivalents	$ 90,710	$ 86,120
Accounts receivable, net	139,078	158,773
Prepaid expenses and other current assets	57,757	41,709
Total current assets	287,545	286,602
Marketable securities available for sale	9,662	9,567
Other investments	10,958	10,958
Property and equipment, net	38,422	38,208
Goodwill	810,019	814,750
Intangible assets, net	43,062	47,321
Deferred income taxes	8,226	15,196
Other assets	7,356	7,561
Total assets	1,215,250	1,230,163
Current liabilities:
Accounts payable	21,595	19,852
Accrued compensation and employee benefits	37,837	54,368
Other accrued liabilities	28,770	30,958
Deferred revenue	51,888	46,697
Current maturities on debt	103,000	92,000
Total current liabilities	243,090	243,875
Long-term debt	516,000	516,000
Other liabilities	33,992	33,290
Total liabilities	$ 793,082	$ 793,165
Commitments and contingencies
Stockholders’ equity:
Preferred stock ($0.01 par value; 1,000 shares authorized; none issued and outstanding)	$ 0	$ 0
Common stock ($0.01 par value; 200,000 shares authorized, 88,857 shares issued and 31,372 and 31,290 shares outstanding at December 31, 2015 and September 30, 2015, respectively)	314	313
Paid-in-capital	1,139,588	1,152,789
Treasury stock, at cost (57,485 and 57,567 shares at December 31, 2015 and September 30, 2015, respectively)	(2,047,774)	(2,033,644)
Retained earnings	1,386,874	1,368,255
Accumulated other comprehensive loss	(56,834)	(50,715)
Total stockholders’ equity	422,168	436,998
Total liabilities and stockholders’ equity	$ 1,215,250	$ 1,230,163