XML 83 R62.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Income Taxes - Additional Information Regarding Examinations (Detail) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Jun. 30, 2018 | Jun. 30, 2016 | Jun. 30, 2011
Earliest Tax Year | Foreign Country |  |  |  |
Income Tax Examination [Line Items] |  |  |  |
Tax years subject to examination | 1996 |  |  |
Latest Tax Year | Foreign Country |  |  |  |
Income Tax Examination [Line Items] |  |  |  |
Tax years subject to examination | 2019 |  |  |
Internal Revenue Service (IRS) | Earliest Tax Year |  |  |  |
Income Tax Examination [Line Items] |  |  |  |
Tax years under audit |  | 2010 | 2007 | 2004
Tax years subject to examination | 2014 |  |  |
Internal Revenue Service (IRS) | Latest Tax Year |  |  |  |
Income Tax Examination [Line Items] |  |  |  |
Tax years under audit |  | 2013 | 2009 | 2006
Tax years subject to examination | 2017 |  |  |

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_IncomeTaxExaminationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tax year being audited in the income tax examination, in CCYY format. + References No definition available. + Details
Name: | us-gaap_IncomeTaxExaminationYearUnderExamination
Namespace Prefix: | us-gaap_
Data Type: | us-types:gYearListItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tax year that remains open to examination under enacted tax laws, in CCYY format. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319 + Details
Name: | us-gaap_OpenTaxYear
Namespace Prefix: | us-gaap_
Data Type: | us-types:gYearListItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_TaxPeriodAxis=us-gaap_EarliestTaxYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=us-gaap_ForeignCountryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=us-gaap_LatestTaxYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityNameAxis=us-gaap_InternalRevenueServiceIRSMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |