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Short-Term Borrowings and Credit Lines (Narrative) (Details) - Jun. 30, 2021 - Japanese Subsidiary [Member]	JPY (¥)	USD ($)
Unsecured And Uncommitted Credit Line1
Line of Credit Facility [Line Items]
Maximum borrowing capacity | $		$ 7,000,000.0
Unsecured And Uncommitted Credit Line2
Line of Credit Facility [Line Items]
Maximum borrowing capacity | ¥	¥ 1,500,000,000
Unsecured And Uncommitted Credit Line3
Line of Credit Facility [Line Items]
Maximum borrowing capacity | ¥	¥ 400,000,000.0
Unsecured And Uncommitted Credit Lines 1, 2, And 3
Line of Credit Facility [Line Items]
Maximum borrowing capacity | $		$ 24,200,000

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- 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

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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