Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 01, 2012	Aug. 27, 2011	Aug. 28, 2010
Cash Flows from Operating Activities:
Net income	$ 259,031	$ 218,786	$ 150,373
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	34,723	29,159	26,049
Stock-based compensation	15,262	14,768	13,525
Loss on disposal of property, plant, and equipment	1,129	116	18
Provision for doubtful accounts	3,560	2,733	1,892
Deferred income taxes and tax uncertainties	2,765	15,270	6,456
Excess tax benefits from stock-based compensation	(4,888)	(7,356)	(4,774)
Changes in operating assets and liabilities, net of amounts associated with business acquired:
Accounts receivable	(30,213)	(38,304)	(57,884)
Inventories	(45,306)	(46,895)	(39,748)
Prepaid expenses and other current assets	(6,598)	(1,782)	(3,359)
Other assets	1,268	2,019	2,126
Accounts payable and accrued liabilities	3,551	21,448	55,183
Total adjustments	(24,747)	(8,824)	(516)
Net cash provided by operating activities	234,284	209,962	149,857
CASH FLOWS FROM INVESTING ACTIVITIES:
Expenditures for property, plant and equipment	(47,691)	(25,479)	(30,304)
Cash used in business acquisitions, net of cash received	(33,451)	(28,948)
Net cash used in investing activities	(81,142)	(54,427)	(30,304)
CASH FLOWS FROM FINANCING ACTIVITIES:
Purchases of treasury stock	(48,098)	(69,279)	(48,244)
Payments of cash dividends	(63,024)	(119,257)	(51,726)
Payments on capital lease and financing obligations	(1,385)
Excess tax benefits from stock-based compensation	4,888	7,356	4,774
Proceeds from sale of Class A common stock in connection with associate stock purchase plan	3,387	2,983	2,598
Proceeds from exercise of Class A common stock options	22,422	37,683	22,803
Borrowings under the financing obligation	1,192
Paydown of the revolving credit line commitment from credit facility			(95,000)
Credit facility financing costs		(938)
Repayments of notes payable under the credit facility and other notes		(39,361)	(59,109)
Net cash used in financing activities	(80,618)	(180,813)	(223,904)
Effect of foreign exchange rate changes on cash and cash equivalents	(30)	46	(30)
Net increase (decrease) in cash and cash equivalents	72,494	(25,232)	(104,381)
CASH AND CASH EQUIVALENTS, beginning of year	95,959	121,191	225,572
CASH AND CASH EQUIVALENTS, end of year	168,453	95,959	121,191
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Cash paid during the year for income taxes	145,651	109,001	77,682
Cash paid during the year for interest	$ 55	$ 93	$ 1,030