Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Cash Flows from Operating Activities:
Net earnings	$ 202,861	$ 179,357
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	81,428	83,972
Share-based compensation expense	8,237	8,590
Amortization of deferred financing costs	2,842	2,364
Loss on extinguishment of debt	876
Deferred income taxes	(25,132)	11,325
Changes in (exclusive of effects of acquisitions):
Trade accounts receivable	(2,171)	90
Accounts receivable, other	(914)	(4,185)
Inventory	(24,119)	(36,221)
Other current assets	12,973	5,355
Other assets	341	622
Accounts payable and accrued liabilities	10,180	(26,685)
Income taxes payable	801	886
Other liabilities	13,727	(2,623)
Net cash provided by operating activities	281,930	222,847
Cash Flows from Investing Activities:
Payments for property and equipment, net	(62,171)	(66,529)
Acquisitions, net of cash acquired	(9,175)
Net cash used by investing activities	(71,346)	(66,529)
Cash Flows from Financing Activities:
Proceeds from issuance of long-term debt	369,319	296,500
Repayments of long-term debt	(401,222)	(215,519)
Debt issuance costs	(1,151)
Payments for common stock repurchased	(164,838)	(286,995)
Proceeds from exercises of stock options	1,317	16,941
Net cash used by financing activities	(196,575)	(189,073)
Effect of foreign exchange rate changes on cash and cash equivalents	(913)	233
Net increase (decrease) in cash and cash equivalents	13,096	(32,522)
Cash and cash equivalents, beginning of period	63,759	86,622
Cash and cash equivalents, end of period	76,855	54,100
Supplemental Cash Flow Information:
Interest paid	83,344	103,493
Income taxes paid	53,559	84,319
Capital expenditures incurred but not paid	$ 3,264	$ 1,200