Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

No definition available.

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

Revenue - Narrative (Details) - USD ($) $ in Thousands	Sep. 01, 2018	Aug. 31, 2018
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Cumulative effect adjustment for adoption of new accounting standards		$ 40,855
ASU 2014-09
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Cumulative effect adjustment for adoption of new accounting standards	$ 42,600