Property and Equipment, Net - Additional Information (Detail) $ in Millions	May 24, 2019 USD ($)
Sale Agreement [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net proceeds from sale of buildings	$ 600

The cash inflow from sale of buildings.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585

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