Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Oct. 31, 2011	Oct. 31, 2010
Operating activities:
Net income	$ 32,732	$ 26,281
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	11,241	12,594
Deferred income taxes	4,399	(4,849)
Non-cash portion of stock-based compensation expense	3,591	4,069
Non-cash portion of restructuring charges	0	951
Changes in operating assets and liabilities (net of effects of business acquisitions/divestitures):
Accounts receivable	(7,798)	(13,614)
Inventories	(7,156)	(3,689)
Prepaid expenses and other assets	(7,384)	1,078
Accounts payable and accrued liabilities	(21,814)	(16,909)
Income taxes	7,470	10,245
Net cash provided by operating activities	15,281	16,157
Investing activities:
Purchases of property, plant and equipment	(5,817)	(2,810)
Settlement of net investment hedges	(958)
Other	(233)	(908)
Net cash used in investing activities	(7,008)	(3,718)
Financing activities:
Payment of dividends	(9,690)	(9,424)
Proceeds from issuance of common stock	683	2,105
Purchase of treasury stock	(12,309)
Income tax benefit from the exercise of stock options and deferred compensation distributions, and other	456	(146)
Net cash used in financing activities	(20,860)	(7,465)
Effect of exchange rate changes on cash	(5,790)	6,286
Net (decrease) increase in cash and cash equivalents	(18,377)	11,260
Cash and cash equivalents, beginning of period	389,971	314,840
Cash and cash equivalents, end of period	371,594	326,100
Cash paid during the year for:
Interest, net of capitalized interest	6,082	7,211
Income taxes, net of refunds	$ 5,825	$ 5,907