CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2019	Sep. 30, 2018
Current assets:
Cash and cash equivalents	$ 168,678	$ 352,921
Accounts receivable, less allowance for doubtful accounts of $1,923 at June 30, 2019, and $1,900 at September 30, 2018	135,235	75,886
Inventories	145,783	71,926
Prepaid expenses and other current assets	25,296	22,048
Total current assets	474,992	522,781
Property, plant and equipment, net	266,391	111,403
Goodwill	708,390	101,083
Other intangible assets, net	838,034	35,202
Deferred income taxes	5,612	5,840
Other long-term assets	5,658	4,664
Total assets	2,299,077	780,973
Current liabilities:
Accounts payable	46,758	18,171
Current portion of long-term debt	13,313	0
Accrued expenses, income taxes payable and other current liabilities	95,261	82,983
Total current liabilities	155,332	101,154
Long-term debt, net of current portion, less prepaid debt issuance costs of $18,655 at June 30, 2019	930,370	0
Deferred income taxes	144,704	81
Other long-term liabilities	43,338	13,046
Total liabilities	1,273,744	114,281
Commitments and contingencies (Note 12)
Stockholders’ equity:
Common Stock: Authorized: 200,000,000 shares, $0.001 par value; Issued: 39,470,364 shares at June 30, 2019, and 35,862,465 shares at September 30, 2018	39	36
Capital in excess of par value of common stock	979,940	622,498
Retained earnings	494,009	471,673
Accumulated other comprehensive income (loss)	(6,847)	4,539
Treasury stock at cost, 10,447,011 shares at June 30, 2019, and 10,356,147 shares at September 30, 2018	(441,808)	(432,054)
Total stockholders’ equity	1,025,333	666,692
Total liabilities and stockholders’ equity	$ 2,299,077	$ 780,973