CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash Flows From Operating Activities:
Net income	$ 40,877	$ 32,550
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	6,752	4,888
Amortization of debt issuance costs	31	50
Stock-based compensation	1,734	887
Deferred income taxes	80	32
Earnings of equity method investees	(231)	(187)
(Gain)/loss on disposal of property and equipment	30	0
Excess tax benefit of exercise of common stock options	(428)	(2,271)
Other	(40)	(83)
Changes in operating assets and liabilities (net of effects of business acquisitions):
Receivables	(32,186)	(16,269)
Inventories	(44,668)	4,273
Prepaid expenses and other current assets	3,065	5,530
Accounts payable	26,799	(13,505)
Accrued expenses	3,563	2,386
Net cash provided by operating activities	5,378	18,281
Cash Flows From Investing Activities:
Business acquisitions, net of cash acquired	(53,718)	(7,000)
Purchases of property and equipment	(4,766)	(10,280)
Proceeds from Sale of Property and Equipment	96	0
Other	(618)	(4,283)
Net cash used in investing activities	(59,006)	(21,563)
Cash Flows From Financing Activities:
Borrowings on credit facilities	393,716	232,630
Payments on credit facilities	(340,348)	(228,895)
Proceeds from issuance of common stock	405	297
Proceeds from exercise of stock options	129	89
Excess tax benefit of exercise of common stock options	428	2,271
Debt issuance costs	(111)	0
Payment on long-term debt and capital lease obligations	(742)	(3,117)
Net cash (used in)/provided by financing activities	53,477	3,275
Effect of Exchange Rate on Cash and Cash Equivalents	(21)	85
Net (Decrease)/Increase in Cash and Cash Equivalents	(172)	78
Cash and Cash Equivalents at Beginning of Period	606	911
Cash and Cash Equivalents at End of Period	$ 434	$ 989