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Derivatives and Hedging Activities (Narrative) (Details) - USD ($)	3 Months Ended	6 Months Ended
	Dec. 31, 2017	Dec. 31, 2017	Jun. 30, 2017
Foreign Exchange Contract [Member]
Derivative [Line Items]
Notional amount of foreign currency contracts outstanding	$ 100,600,000	$ 100,600,000	$ 67,100,000
Interest Rate Swap [Member]
Derivative [Line Items]
Notional amount of foreign currency contracts outstanding	50,000,000	50,000,000
Ineffective portion of cash flow hedge	$ 0	$ 0

X

- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

+ Details

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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

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X

- Definition

The net gain (loss) recognized in earnings during the reporting period representing the amount of the cash flow hedges' ineffectiveness.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (d)(1)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624171-113959

+ Details

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- Details

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- Details

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