Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020
Cash Flows from Operating Activities:
Net earnings	$ 183,553	$ 239,858	$ 113,245
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	99,929	102,201	106,779
Share-based compensation expense	9,944	11,656	8,426
Amortization of deferred financing costs	3,351	4,212	4,118
Impairment of long-lived assets, including operating lease assets	25,029	628	2,087
Net (gain)/loss on disposal of long-lived assets	(53)	(338)	1,475
Net loss on extinguishment of debt	16,439	4,260	38
Deferred income taxes	(17,592)	(7,336)	13,691
Changes in (exclusive of effects of acquisitions):
Trade accounts receivable	(3,184)	2,923	10,031
Accounts receivable, other	(5,999)	(13,972)	41,463
Inventory	(96,195)	(52,277)	149,845
Other current assets	(9,536)	976	(15,654)
Other assets	4,148	4,360	(2,007)
Accounts payable and accrued liabilities	(46,289)	79,851	(26,876)
Income taxes payable	(6,698)	8,041	(5,489)
Operating lease assets and liabilities	6,233	730	10,339
Other liabilities	(6,580)	(3,913)	15,378
Net cash provided by operating activities	156,500	381,860	426,889
Cash Flows from Investing Activities:
Payments for property and equipment	(99,250)	(73,904)	(110,858)
Proceeds from sales of property and equipment		235	53
Acquisitions, net of cash acquired	(3,169)	(2,350)	(12,970)
Net cash used by investing activities	(102,419)	(76,019)	(123,775)
Cash Flows from Financing Activities:
Proceeds from issuance of long-term debt	520,003	22	1,087,504
Repayments of long-term debt	(770,286)	(422,258)	(882,921)
Debt issuance costs		(1,300)	(6,257)
Payments for common stock repurchased	(130,328)		(61,357)
Proceeds from exercises of stock options	6,932	3,568	2,792
Net cash (used) provided by financing activities	(373,679)	(419,968)	139,761
Effect of foreign exchange rate changes on cash and cash equivalents	(10,803)	935	(219)
Net (decrease) increase in cash and cash equivalents	(330,401)	(113,192)	442,656
Cash and cash equivalents, beginning of period	400,959	514,151	71,495
Cash and cash equivalents, end of period	70,558	400,959	514,151
Supplemental Cash Flow Information:
Interest paid	82,072	88,982	83,123
Income taxes paid	82,607	79,765	49,869
Capital expenditures incurred but not paid	$ 15,757	$ 19,932	$ 9,772