CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Apr. 30, 2012	Apr. 30, 2011
Operating Activities:
Net income from consolidated operations	$ 48,690	$ 44,649
Adjustments to reconcile net income from consolidated operations to net cash provided by operating activities:
Depreciation and amortization	14,438	8,891
Deferred income tax (benefit) provision	(1,057)	242
Tax benefit from stock option exercises	13,148	7,718
Excess tax benefit from stock option exercises	(12,095)	(6,358)
Stock option compensation expense	1,883	1,128
Changes in operating assets and liabilities, net of acquisitions:
Decrease (increase) in accounts receivable	777	(3,597)
Increase in inventories	(6,981)	(6,153)
Increase in prepaid expenses and other current assets	(2,725)	(2,777)
(Decrease) increase in trade accounts payable	(2,005)	4,119
Decrease in accrued expenses and other current liabilities	(13,695)	(2,969)
Increase in income taxes payable	4,929	5,985
Other	39	203
Net cash provided by operating activities	45,346	51,081
Investing Activities:
Acquisitions, net of cash acquired	(161,357)	(27,936)
Capital expenditures	(8,148)	(3,845)
Other	(136)	3
Net cash used in investing activities	(169,641)	(31,778)
Financing Activities:
Borrowings on revolving credit facility	163,000	28,000
Payments on revolving credit facility	(28,000)	(35,000)
Excess tax benefit from stock option exercises	12,095	6,358
Acquisitions of noncontrolling interests	(7,616)	(7,241)
Redemptions of common stock related to stock option exercises	(127)	(5,432)
Distributions to noncontrolling interests	(5,050)	(4,450)
Cash dividends paid	(2,526)	(2,092)
Revolving credit facility issuance costs	(3,028)	0
Proceeds from stock option exercises	275	1,806
Other	297	(125)
Net cash provided by (used in) financing activities	129,320	(18,176)
Effect of exchange rate changes on cash	(263)	90
Net increase in cash and cash equivalents	4,762	1,217
Cash and cash equivalents at beginning of year	17,500	6,543
Cash and cash equivalents at end of period	$ 22,262	$ 7,760