Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
Nov. 29, 2014	Nov. 30, 2013
Cash Flows from Operating Activities:
Net income	$ 57,417us-gaap_NetIncomeLoss	$ 59,046us-gaap_NetIncomeLoss
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	17,012us-gaap_DepreciationAndAmortization	16,061us-gaap_DepreciationAndAmortization
Stock-based compensation	5,039us-gaap_ShareBasedCompensation	4,232us-gaap_ShareBasedCompensation
Loss on disposal of property, plant, and equipment	230us-gaap_GainLossOnDispositionOfAssets	65us-gaap_GainLossOnDispositionOfAssets
Provision for doubtful accounts	480us-gaap_ProvisionForDoubtfulAccounts	1,118us-gaap_ProvisionForDoubtfulAccounts
Excess tax benefits from stock-based compensation	(1,791)	(4,012)
Changes in operating assets and liabilities, net of amounts associated with business acquired:
Accounts receivable	(10,137)	(3,831)
Inventories	(44,790)us-gaap_IncreaseDecreaseInInventories	3,185us-gaap_IncreaseDecreaseInInventories
Prepaid expenses and other current assets	(4,797)	3,195
Other assets	72	(285)
Accounts payable and accrued liabilities	39,017	25,606
Total adjustments	335	45,334
Net cash provided by operating activities	57,752	104,380
Cash Flows from Investing Activities:
Expenditures for property, plant and equipment	(13,358)	(12,506)
Investment in available for sale securities		(20,366)
Cash used in business acquisition, net of cash received		1,434
Net cash used in investing activities	(13,358)	(31,438)
Cash Flows from Financing Activities:
Purchases of treasury stock	(3,590)	(114,996)
Payments of regular cash dividends	(24,563)us-gaap_PaymentsOfOrdinaryDividends	(20,915)us-gaap_PaymentsOfOrdinaryDividends
Payment of special cash dividend	(184,218)us-gaap_PaymentsOfCapitalDistribution
Payments on capital lease and financing obligations	(767)	(321)
Excess tax benefits from stock-based compensation	1,791	4,012
Proceeds from sale of Class A common stock in connection with associate stock purchase plan	942us-gaap_ProceedsFromStockPlans	813us-gaap_ProceedsFromStockPlans
Proceeds from exercise of Class A common stock options	6,381	4,058
Borrowings under financing obligations	530
Borrowings under Credit Facility	235,000us-gaap_ProceedsFromLinesOfCredit	50,000us-gaap_ProceedsFromLinesOfCredit
Payment of notes payable and revolving credit note under the Credit Facility	(76,250)us-gaap_RepaymentsOfShortTermDebt	(3,125)us-gaap_RepaymentsOfShortTermDebt
Net cash used in financing activities	(44,744)	(80,474)
Effect of foreign exchange rate changes on cash and cash equivalents	(100)	86
Net decrease in cash and cash equivalents	(450)	(7,446)
Cash and cash equivalents—beginning of period	47,154	55,876
Cash and cash equivalents—end of period	46,704	48,430
Supplemental Disclosure of Cash Flow Information:
Cash paid for income taxes	5,523us-gaap_IncomeTaxesPaid	3,999us-gaap_IncomeTaxesPaid
Cash paid for interest	$ 837us-gaap_InterestPaid	$ 751us-gaap_InterestPaid

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- Definition

The net cash inflow or outflow from other financing activities. This element is used when there is not a more specific and appropriate element in the taxonomy.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3095-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 9

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3098-108585

+ Details

Name:	us-gaap_ProceedsFromPaymentsForOtherFinancingActivities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (j)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 14

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585

+ Details

Name:	us-gaap_ProceedsFromStockOptionsExercised
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash inflow associated with the amount received from the stock plan during the period.

+ References

+ Details

Name:	us-gaap_ProceedsFromStockPlans
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.5)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 5

-Article 5

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt and payment of capital lease obligations.

+ References

No definition available.

+ Details

Name:	us-gaap_RepaymentsOfDebtAndCapitalLeaseObligations
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash outflow for a borrowing having initial term of repayment within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

+ Details

Name:	us-gaap_ShareBasedCompensation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_SupplementalCashFlowInformationAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration