CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands	9 Months Ended
	Jul. 31, 2011	Jul. 31, 2010
Cash flows from operating activities:
Net income	$ 50,456	$ 42,315
Loss from discontinued operations, net of taxes	(60)	(117)
Income from continuing operations	50,516	42,432
Adjustments to reconcile income from continuing operations to net cash provided by continuing operating activities:
Depreciation and amortization	39,010	26,072
Deferred income taxes	13,960	9,869
Share-based compensation expense	6,689	2,113
Provision for bad debt	2,842	2,461
Discount accretion on insurance claims	655	684
Auction rate security credit loss impairment		127
Gain on sale of assets	(110)	(1,043)
Income from unconsolidated affiliates, net	(2,785)
Distributions from unconsolidated affiliates	985
Changes in operating assets and liabilities, net of effects of acquisitions
Trade accounts receivable	(30,809)	(6,026)
Prepaid expenses and other current assets	(15,265)	1,533
Insurance recoverables	5,301	1,400
Other assets and long-term receivables	9,172	(256)
Income taxes payable	1,398	16,113
Retirement plans and other non-current liabilities	(2,085)	(868)
Insurance claims payable	(12,032)	(3,006)
Trade accounts payable and other accrued liabilities	15,110	(18,646)
Total adjustments	32,036	30,527
Net cash provided by continuing operating activities	82,552	72,959
Net cash provided by discontinued operating activities	2,285	7,331
Net cash provided by operating activities	84,837	80,290
Cash flows from investing activities:
Additions to property, plant and equipment	(16,547)	(19,217)
Proceeds from sale of assets and other	415	2,494
Purchase of businesses, net of cash acquired	(290,478)	(31,209)
Investments in unconsolidated affiliates	(955)
Proceeds from redemption of auction rate securities	5,000
Net cash used in investing activities	(302,565)	(47,932)
Cash flows from financing activities:
Proceeds from exercises of stock options (including income tax benefit)	9,519	6,166
Dividends paid	(22,278)	(21,051)
Deferred financing costs paid	(4,991)
Borrowings from line of credit	740,500	298,500
Repayment of borrowings from line of credit	(516,000)	(321,000)
Changes in book cash overdrafts	11,146	3,776
Net cash provided by (used in) financing activities	217,896	(33,609)
Net increase (decrease) in cash and cash equivalents	168	(1,251)
Cash and cash equivalents at beginning of period	39,446	34,153
Cash and cash equivalents at end of period	39,614	32,902
Supplemental Data:
Cash paid for income taxes, net of refunds received	7,838	223
Tax effect from exercise of options	1,366	660
Cash received from exercise of options	8,153	5,506
Interest paid on line of credit	$ 7,821	$ 2,527