Derivative Instruments And Hedging Activities (Narrative) (Details) - USD ($) $ in Millions	9 Months Ended
Mar. 31, 2018	Jun. 30, 2017
Derivative [Line Items]
Notional amount of foreign currency hedging contracts held	$ 601.8	$ 568.2
Foreign Currency Hedging Instruments [Member]
Derivative [Line Items]
Terms of foreign currency hedging contracts, maximum	3 years
Maturity date	Dec. 31, 2019

Nominal or face amount used to calculate payments on the derivative asset.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5579245-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5580258-113959

Name:	us-gaap_DerivativeAssetNotionalAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant