Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2019	Sep. 30, 2018	Jun. 30, 2018
Current assets:
Cash and cash equivalents	$ 27,729	$ 129,927	$ 27,551
Accounts receivable, less allowance of $24,732, $17,584 and $13,963 as of June 30, 2019, September 30, 2018 and June 30, 2018, respectively	1,079,091	1,090,533	1,077,888
Inventories, net	1,124,063	936,047	1,165,389
Prepaid expenses and other current assets	361,831	244,360	337,589
Total current assets	2,592,714	2,400,867	2,608,417
Property and equipment, net	269,041	280,407	288,708
Goodwill	2,490,940	2,491,779	2,321,180
Intangibles, net	1,177,694	1,334,366	1,371,005
Other assets, net	1,243	1,243	1,511
Total assets	6,531,632	6,508,662	6,590,821
Current liabilities:
Accounts payable	643,411	880,872	719,686
Accrued expenses	590,756	611,539	520,952
Current portions of long-term debt/obligations	19,366	19,661	19,714
Total current liabilities	1,253,533	1,512,072	1,260,352
Borrowings under revolving lines of credit, net	424,011	92,442	482,489
Long-term debt, net	2,494,648	2,494,725	2,494,308
Deferred income taxes, net	110,180	106,994	93,928
Long-term obligations under equipment financing and other, net	6,332	13,639	15,979
Other long-term liabilities	5,352	5,290	6,319
Total liabilities	4,294,056	4,225,162	4,353,375
Commitments and contingencies (Note 9)
Convertible preferred stock; $0.01 par value; aggregate liquidation preference $400,000; 400,000 shares authorized, issued and outstanding as of June 30, 2019, September 30, 2018 and June 30, 2018	399,195	399,195	399,195
Stockholders' equity:
Common stock (voting); $0.01 par value; 100,000,000 shares authorized; 68,480,751, 68,135,790 and 68,105,113 shares issued and outstanding as of June 30, 2019, September 30, 2018 and June 30, 2018, respectively	684	681	681
Undesignated preferred stock; 5,000,000 shares authorized, none issued or outstanding	0	0	0
Additional paid-in capital	1,077,953	1,067,040	1,063,137
Retained earnings	777,842	833,834	792,502
Accumulated other comprehensive income (loss)	(18,098)	(17,250)	(18,069)
Total stockholders' equity	1,838,381	1,884,305	1,838,251
Total liabilities and stockholders' equity	$ 6,531,632	$ 6,508,662	$ 6,590,821