Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Nov. 30, 2013	Dec. 01, 2012
Cash Flows from Operating Activities:
Net income	$ 59,046	$ 63,187
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	16,061	10,021
Stock-based compensation	4,232	4,253
Loss on disposal of property, plant, and equipment	65	60
Provision for doubtful accounts	1,118	1,116
Excess tax benefits from stock-based compensation	(4,012)	(3,451)
Changes in operating assets and liabilities, net of amounts associated with business acquired:
Accounts receivable	(3,831)	7,931
Inventories	3,185	5,915
Prepaid expenses and other current assets	3,195	(4,161)
Other assets	(285)	1,073
Accounts payable and accrued liabilities	25,606	3,425
Total adjustments	45,334	26,182
Net cash provided by operating activities	104,380	89,369
Cash Flows from Investing Activities:
Expenditures for property, plant and equipment	(12,506)	(16,993)
Investment in available for sale securities	(20,366)
Cash used in business acquisition, net of cash received	1,434	0
Net cash used in investing activities	(31,438)	(16,993)
Cash Flows from Financing Activities:
Purchases of treasury stock	(114,996)	(3,506)
Payments of cash dividends	(20,915)	(18,907)
Payments on capital lease and financing obligations	(321)	(279)
Excess tax benefits from stock-based compensation	4,012	3,451
Proceeds from sale of Class A common stock in connection with associate stock purchase plan	813	863
Proceeds from exercise of Class A common stock options	4,058	11,024
Borrowings under Credit Facility	50,000	0
Payment of notes payable and under the Credit Facility	(3,125)
Net cash used in financing activities	(80,474)	(7,354)
Effect of foreign exchange rate changes on cash and cash equivalents	86	31
Net (decrease) increase in cash and cash equivalents	(7,446)	65,053
Cash and cash equivalents-beginning of period	55,876	168,453
Cash and cash equivalents-end of period	48,430	233,506
Supplemental Disclosure of Cash Flow Information:
Cash paid for income taxes	3,999	5,999
Cash paid for interest	$ 751	$ 5