Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Aug. 29, 2020	Aug. 31, 2019	Sep. 01, 2018
Cash Flows from Operating Activities:
Net income	$ 251,758	$ 288,797	$ 329,223
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	69,079	65,377	63,154
Operating lease non-cash expense	22,696
Stock-based compensation	16,932	16,283	14,934
Loss on disposal of property, plant and equipment	802	416	479
Provision for doubtful accounts	11,008	10,763	6,938
Deferred income taxes	7,719	14,297	(19,577)
Changes in operating assets and liabilities, net of amounts associated with business acquired:
Accounts receivable	36,772	(26,948)	(49,827)
Inventories	16,462	(32,528)	(33,235)
Prepaid expenses and other current assets	(11,540)	(8,316)	(4,865)
Operating lease liabilities	(22,184)
Other assets	2,809	(2,064)	1,094
Accounts payable and accrued liabilities	(5,574)	2,349	31,340
Total adjustments	144,981	39,629	10,435
Net cash provided by operating activities	396,739	328,426	339,658
Cash Flows from Investing Activities:
Expenditures for property, plant and equipment	(46,991)	(51,773)	(44,919)
Proceeds from sale of available for sale securities		27,025
Cash used in business acquisitions, net of cash acquired	(2,286)	(11,625)	(87,000)
Net cash used in investing activities	(49,277)	(36,373)	(131,919)
Cash Flows from Financing Activities:
Repurchases of common stock	(3,444)	(84,611)	(82,369)
Payments of regular cash dividends	(166,537)	(145,709)	(125,430)
Payment of special cash dividends	(277,634)
Proceeds from sale of Class A common stock in connection with associate stock purchase plan	4,140	4,600	4,461
Proceeds from exercise of Class A common stock options	13,687	15,640	24,243
Borrowings under Credit facilities	1,012,200	382,000	242,000
Payments on the revolving credit facilities	(916,000)	(451,000)	(350,000)
Contributions from noncontrolling interest	104	918
Proceeds from other long-term debt	100,000		110,000
Payments under Shelf Facility and Private Placement	(20,000)
Payments on finance lease and financing obligations	(2,189)	(28,370)
Other, net	1,055	903	(491)
Net cash used in financing activities	(254,618)	(305,629)	(177,586)
Effect of foreign exchange rate changes on cash and cash equivalents	81	(355)	(19)
Net increase (decrease) in cash and cash equivalents	92,925	(13,931)	30,134
CASH AND CASH EQUIVALENTS, beginning of the year	32,286	46,217	16,083
CASH AND CASH EQUIVALENTS, end of the year	125,211	32,286	46,217
Supplemental Disclosure of Cash Flow Information:
Cash paid for income taxes	68,929	79,334	100,504
Cash paid for interest	$ 14,973	$ 16,648	$ 13,448