CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Dec. 31, 2016	Sep. 30, 2016
Current assets:
Cash and cash equivalents	$ 88,101	$ 75,926
Accounts receivable, net	155,714	167,786
Prepaid expenses and other current assets	40,929	23,926
Total current assets	284,744	267,638
Marketable securities available for sale	12,262	11,016
Other investments	10,920	10,920
Property and equipment, net	43,959	45,122
Goodwill	789,602	798,415
Intangible assets, net	29,328	33,619
Deferred income taxes	47,798	47,598
Other assets	5,785	6,348
Total assets	1,224,398	1,220,676
Current liabilities:
Accounts payable	22,417	22,952
Accrued compensation and employee benefits	41,506	71,216
Other accrued liabilities	26,327	27,780
Deferred revenue	57,465	47,129
Current maturities on debt	102,000	77,000
Total current liabilities	249,715	246,077
Long-term debt	518,672	493,624
Other liabilities	34,105	34,147
Total liabilities	802,492	773,848
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 31,157 and 30,935 shares outstanding at December 31, 2016 and September 30, 2016, respectively)	312	309
Paid-in-capital	1,149,832	1,185,076
Treasury stock, at cost (57,700 and 57,922 shares at December 31, 2016 and September 30, 2016, respectively)	(2,149,377)	(2,136,760)
Retained earnings	1,512,497	1,475,214
Accumulated other comprehensive loss	(91,358)	(77,011)
Total stockholders’ equity	421,906	446,828
Total liabilities and stockholders’ equity	$ 1,224,398	$ 1,220,676