XML 38 R43.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

New Accounting Pronouncements - Additional Information (Detail) - USD ($) | Jun. 01, 2019 | May 31, 2018
--- | --- | ---
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |
Cumulative adjustment to retained earnings in the period of adoption |  | $ (2,833,000)
Retained Earnings |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |
Cumulative adjustment to retained earnings in the period of adoption |  | $ (2,833,000)
ASC 842 | Retained Earnings |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |
Cumulative adjustment to retained earnings in the period of adoption | $ 0 |

X
- Definition 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. + References No definition available. + Details
Name: | us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_RetainedEarningsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=us-gaap_AccountingStandardsUpdate201602Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |