Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Feb. 25, 2012	Feb. 26, 2011
Cash Flows from Operating Activities:
Net income	$ 119,905	$ 97,249
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	16,369	14,216
Stock-based compensation	7,571	7,357
Loss on disposal of property, plant, and equipment	2	2
Provision for doubtful accounts	2,370	1,519
Deferred income taxes and tax uncertainties	(1,984)	10,606
Excess tax benefits from stock-based compensation	(4,203)	(5,111)
Changes in operating assets and liabilities, net of amounts associated with business acquired:
Accounts receivable	(23,783)	(23,950)
Inventories	(29,814)	(11,600)
Prepaid expenses and other current assets	(9,196)	(823)
Other assets	3,434	4,618
Accounts payable and accrued liabilities	(6,608)	(13,759)
Total adjustments	(45,842)	(16,925)
Net cash provided by operating activities	74,063	80,324
Cash Flows from Investing Activities:
Expenditures for property, plant and equipment	(17,322)	(13,990)
Cash used in business acquisitions, net of cash received	(32,396)	(11,015)
Net cash used in investing activities	(49,718)	(25,005)
Cash Flows from Financing Activities:
Purchases of treasury stock	(3,439)	(2,632)
Payments of cash dividends	(31,522)	(91,178)
Payments on capital lease and financing obligations	(275)
Excess tax benefits from stock-based compensation	4,203	5,111
Proceeds from sale of Class A common stock in connection with associate stock purchase plan	1,781	1,589
Proceeds from exercise of Class A common stock options	16,811	25,517
Borrowings under financing obligations	1,050
Repayments of notes payable under the credit facility and other notes		(39,274)
Net cash used in financing activities	(11,391)	(100,867)
Effect of foreign exchange rate changes on cash and cash equivalents	(32)	32
Net increase (decrease) in cash and cash equivalents	12,922	(45,516)
Cash and cash equivalents-beginning of period	95,959	121,191
Cash and cash equivalents-end of period	108,881	75,675
Supplemental Disclosure of Cash Flow Information:
Cash paid for income taxes	78,839	51,243
Cash paid for interest		$ 92