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Derivative Financial Instruments (Schedule of notional value of outstanding foreign currency forward exchange contracts) (Details) - USD ($)	Jun. 30, 2017	Jul. 01, 2016
Derivative Financial Instruments
Notional value of outstanding foreign currency forward exchange contracts	$ 0
Foreign currency forward exchange contracts [Member] | Derivatives designated as hedging instruments [Member] | British Pound Sterling [Member]
Derivative Financial Instruments
Notional value of outstanding foreign currency forward exchange contracts		$ 47,000,000
Foreign currency forward exchange contracts [Member] | Not Designated as Hedging Instrument [Member] | British Pound Sterling [Member]
Derivative Financial Instruments
Notional value of outstanding foreign currency forward exchange contracts		$ 10,000,000

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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Namespace Prefix:	invest_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

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

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CurrencyAxis=currency_GBP
Namespace Prefix:
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X

- Details

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Namespace Prefix:
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