Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash Flows from Operating Activities:
Net earnings	$ 115,646	$ 95,503
Adjustments to reconcile net earnings to net cash (used) provided by operating activities:
Depreciation and amortization	48,471	52,945
Share-based compensation expense	5,990	5,541
Amortization of deferred financing costs	1,865	2,326
Loss on early extinguishment of debt		1,390
Loss on disposal of equipment and other property	80	1,741
Deferred income taxes	6,507	(365)
Changes in (exclusive of effects of acquisitions):
Trade accounts receivable	3,800	(3,437)
Accounts receivable, other	2,108	(5,544)
Inventory	(95,468)	(127,324)
Other current assets	(6,273)	3,588
Other assets	1,979	(4,307)
Operating leases, net	3,657	(2,420)
Accounts payable and accrued liabilities	(70,217)	101,331
Income taxes payable	(8,393)	13,447
Other liabilities	(12,525)	(2,859)
Net cash (used) provided by operating activities	(2,773)	131,556
Cash Flows from Investing Activities:
Payments for property and equipment, net of proceeds	(44,109)	(27,095)
Acquisitions, net of cash acquired	(318)	(2,245)
Net cash used by investing activities	(44,427)	(29,340)
Cash Flows from Financing Activities:
Repayments of long-term debt	(2,841)	(213,271)
Payments for common stock repurchased	(130,328)
Proceeds from equity awards	7,796	2,322
Employee withholding taxes paid related to net share settlement of equity awards	(1,151)	(249)
Net cash used by financing activities	(126,524)	(211,198)
Effect of foreign exchange rate changes on cash and cash equivalents	178	3,152
Net decrease in cash and cash equivalents	(173,546)	(105,830)
Cash and cash equivalents, beginning of period	400,959	514,151
Cash and cash equivalents, end of period	227,413	408,321
Supplemental Cash Flow Information:
Interest paid	37,809	46,445
Income taxes paid	56,701	20,791
Capital expenditures incurred but not paid	$ 3,205	$ 3,255