Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2019	Sep. 30, 2018
Current assets:
Cash and cash equivalents	$ 11,241	$ 35,224
Accounts receivable, net	353,090	317,056
Unbilled revenue	93,766	99,876
Inventories	24,473	23,830
Other current assets	52,502	55,179
Total current assets	535,072	531,165
Property and equipment, net	266,668	256,806
Intangible assets, net	274,621	290,455
Goodwill	1,799,209	1,766,761
Other assets	43,040	46,711
Total assets	2,918,610	2,891,898
Current liabilities:
Accounts payable	94,607	93,603
Current portion of long-term debt	10,370	12,963
Deferred revenue	100,120	72,476
Current portion of self-insurance reserves	42,855	34,537
Accrued expenses and other current liabilities	130,207	117,891
Total current liabilities	378,159	331,470
Long-term debt, net	1,147,469	1,141,279
Deferred tax liabilities	59,226	67,219
Self-insurance reserves	84,010	93,400
Other liabilities	25,782	31,203
Total liabilities	1,694,646	1,664,571
Stockholders’ equity:
Preferred stock, $0.01 par value; 50,000 shares authorized; no shares issued or outstanding as of March 31, 2019 and September 30, 2018
Common stock, $0.01 par value; 500,000 shares authorized; 104,962 and 104,470 shares issued and outstanding as of March 31, 2019 and September 30, 2018, respectively	1,050	1,045
Additional paid-in-capital	1,437,859	1,426,344
Accumulated deficit	(203,161)	(189,636)
Accumulated other comprehensive loss	(11,784)	(10,426)
Total stockholders’ equity	1,223,964	1,227,327
Total liabilities and stockholders’ equity	$ 2,918,610	$ 2,891,898