Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
OPERATING ACTIVITIES
Net income	$ 162,116	$ 160,500
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation, including amounts charged to cost of goods sold	29,063	24,517
Amortization, including amounts charged to interest expense	6,558	5,342
Provision for doubtful accounts	6,277	4,963
Provision for deferred income taxes	6,591	20,296
Share-based compensation	6,400	6,780
Other	2,337	(887)
Changes in operating assets and liabilities, excluding the effects of acquisitions:
Accounts receivable	243,393	275,792
Merchandise inventories	(326,715)	(227,739)
Prepaid expenses and other assets	59,048	24,956
Accounts payable, accrued expenses, and income taxes	248,023	(399,651)
Other liabilities	(11,388)	5,931
NET CASH PROVIDED BY (USED IN) OPERATING ACTIVITIES	431,703	(99,200)
INVESTING ACTIVITIES
Capital expenditures	(48,138)	(50,091)
Cost of acquired company, net of cash acquired	250,501	0
NET CASH USED IN INVESTING ACTIVITIES	(298,639)	(50,091)
FINANCING ACTIVITIES
Long-term debt borrowings	499,290	0
Borrowings under revolving credit facility	206,464	343,413
Repayments under revolving credit facility	(142,638)	(285,012)
Purchases of common stock	(128,042)	(185,362)
Exercises of stock options, including excess tax benefits of $4,275 and $10,508 in fiscal 2012 and 2011, respectively	16,450	46,982
Cash dividends on common stock	(33,708)	(27,735)
Debt issuance costs and other	(6,535)	(282)
NET CASH USED IN FINANCING ACTIVITIES	411,281	(107,996)
INCREASE IN CASH AND CASH EQUIVALENTS	544,345	(257,287)
Cash and cash equivalents at beginning of period	1,825,990	1,658,182
CASH AND CASH EQUIVALENTS AT END OF PERIOD	$ 2,370,335	$ 1,400,895