Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14435-108349

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 9
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14557-108349

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=115931803&loc=d3e12021-110248

Name:	us-gaap_LossContingencyEstimateOfPossibleLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Commitments and Contingencies - Additional Information (Detail) - USD ($)	3 Months Ended
	Aug. 26, 2017	Sep. 01, 2018
Selling, General and Administrative Expenses
Commitments and Contingencies Disclosure [Line Items]
Legal and regulatory expenses	$ 6,600,000
Swingasan Chair and Stand \| Voluntary Product Recall \| Minimum
Commitments and Contingencies Disclosure [Line Items]
Estimate of potential loss		$ 2,000,000
Swingasan Chair and Stand \| Voluntary Product Recall \| Maximum
Commitments and Contingencies Disclosure [Line Items]
Estimate of potential loss		$ 6,200,000