Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Apr. 30, 2012	Apr. 30, 2011
Operating activities:
Net (loss) income	$ (29,570)	$ 79,069
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	32,921	37,522
Non-cash portion of restructuring charges	458	2,155
Non-cash portion of stock-based compensation expense	7,592	9,396
Impairment charge	115,688
Gain on divestiture of business		(4,394)
Deferred income taxes	(3,192)	(9,018)
Changes in operating assets and liabilities (net of effects of business acquisitions/divestitures):
Accounts receivable	11,050	211
Inventories	(5,595)	(1,491)
Prepaid expenses and other assets	(4,386)	772
Accounts payable and accrued liabilities	(39,472)	(8,355)
Income taxes	15,101	4,579
Net cash provided by operating activities	100,595	110,446
Investing activities:
Purchases of property, plant and equipment	(14,498)	(13,671)
Payments of contingent consideration	(2,580)	(979)
Settlement of net investment hedges	(797)
Acquisition of business, net of cash acquired	(3,039)	(7,970)
Divestiture of business, net of cash retained in business		12,979
Other	(1,536)	(379)
Net cash used in investing activities	(22,450)	(10,020)
Financing activities:
Payment of dividends	(29,235)	(28,500)
Proceeds from issuance of common stock	3,624	7,154
Purchase of treasury stock	(12,309)
Principal payments on debt	(42,514)	(42,514)
Debt issuance costs	(961)
Income tax benefit from the exercise of stock options and deferred compensation distributions, and other	754	1,075
Net cash used in financing activities	(80,641)	(62,785)
Effect of exchange rate changes on cash	(13,050)	21,497
Net (decrease) increase in cash and cash equivalents	(15,546)	59,138
Cash and cash equivalents, beginning of period	389,971	314,840
Cash and cash equivalents, end of period	374,425	373,978
Cash paid during the period for:
Interest, net of capitalized interest	15,746	16,379
Income taxes, net of refunds	19,959	26,695
Acquisitions:
Fair value of assets acquired, net of cash and goodwill	2,395	4,624
Liabilities assumed	(583)	(1,446)
Goodwill	1,227	4,792
Net cash paid for acquisitions	$ 3,039	$ 7,970