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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 |

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- 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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- 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 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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