General - Additional Information (Detail) - USD ($) $ in Thousands	Feb. 15, 2020	Sep. 01, 2019	Aug. 31, 2019
Lease Right Of Use Assets	$ 2,579,217		$ 0
Lease Liabilities	$ 2,729,346
Accounting Standards Update 2016-02 [Member]
Lease Right Of Use Assets		$ 2,500,000
Lease Liabilities		$ 2,700,000

Present value of lessee's discounted obligation for lease payments from operating lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977

Name:	us-gaap_OperatingLeaseLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant