Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2018	Sep. 30, 2017	Jun. 30, 2017
Current assets:
Cash and cash equivalents	$ 27,551	$ 138,250	$ 33,055
Accounts receivable, less allowance of $13,963, $11,829 and $13,253 as of June 30, 2018, September 30, 2017 and June 30, 2017, respectively	1,077,888	704,527	670,977
Inventories, net	1,165,389	551,924	641,425
Prepaid expenses and other current assets	337,589	209,138	221,477
Total current assets	2,608,417	1,603,839	1,566,934
Property and equipment, net	288,708	156,129	156,951
Goodwill	2,321,180	1,251,986	1,256,014
Intangibles, net	1,371,005	429,069	442,962
Other assets, net	1,511	8,534	1,511
Total Assets	6,590,821	3,449,557	3,424,372
Current liabilities:
Accounts payable	719,686	503,697	387,579
Accrued expenses	520,952	261,297	280,315
Current portions of long-term debt	19,714	14,141	13,762
Total current liabilities	1,260,352	779,135	681,656
Borrowings under revolving lines of credit, net	482,489	3,205	449,615
Long-term debt, net	2,494,308	721,268	721,685
Deferred income taxes, net	93,928	138,383	142,116
Long-term obligations under equipment financing and other, net	15,979	23,213	26,025
Other long-term liabilities	6,319	2,547	2,387
Total liabilities	4,353,375	1,667,751	2,023,484
Commitments and contingencies (Note 9)
Convertible preferred stock; $0.01 par value; 400,000 shares authorized, issued and outstanding as of June 30, 2018; none authorized, issued and outstanding as of September 30, 2017 or June 30, 2017	399,195
Stockholders' equity:
Common stock (voting); $0.01 par value; 100,000,000 shares authorized; 68,105,113 issued and outstanding as of June 30, 2018; 67,700,858 issued and outstanding as of September 30, 2017; 60,361,035 issued and outstanding at June 30, 2017	681	677	603
Undesignated preferred stock; 5,000,000 shares authorized, none issued or outstanding	0	0	0
Additional paid-in capital	1,063,137	1,047,506	714,608
Retained earnings	792,502	748,186	703,055
Accumulated other comprehensive loss	(18,069)	(14,563)	(17,378)
Total stockholders' equity	1,838,251	1,781,806	1,400,888
Total Liabilities and Stockholders' Equity	$ 6,590,821	$ 3,449,557	$ 3,424,372