CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2016	Sep. 30, 2015
Current assets:
Cash and cash equivalents	$ 85,374	$ 86,120
Accounts receivable, net	155,207	158,773
Prepaid expenses and other current assets	36,005	41,709
Total current assets	276,586	286,602
Marketable securities available for sale	10,351	9,567
Other investments	10,958	10,958
Property and equipment, net	38,589	38,208
Goodwill	808,292	814,750
Intangible assets, net	39,580	47,321
Deferred income taxes	23,501	15,196
Other assets	7,084	7,561
Total assets	1,214,941	1,230,163
Current liabilities:
Accounts payable	20,587	19,852
Accrued compensation and employee benefits	44,429	54,368
Other accrued liabilities	26,741	30,958
Deferred revenue	54,574	46,697
Current maturities on debt	95,000	92,000
Total current liabilities	241,331	243,875
Long-term debt	516,000	516,000
Other liabilities	32,230	33,290
Total liabilities	$ 789,561	$ 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 31,159 and 31,290 shares outstanding at March 31, 2016 and September 30, 2015, respectively)	312	313
Paid-in-capital	1,153,810	1,152,789
Treasury stock, at cost (57,698 and 57,567 shares at March 31, 2016 and September 30, 2015, respectively)	(2,080,370)	(2,033,644)
Retained earnings	1,409,367	1,368,255
Accumulated other comprehensive loss	(57,739)	(50,715)
Total stockholders’ equity	425,380	436,998
Total liabilities and stockholders’ equity	$ 1,214,941	$ 1,230,163