Derivative Instruments and Hedging Activities (Details) - USD ($)		12 Months Ended
Jul. 26, 2012	Mar. 31, 2018
Derivatives designated as hedging instruments
Derivative [Line Items]
Foreign currency contracts, hedge ineffectiveness		$ 0
Foreign currency contracts \| Derivatives designated as hedging instruments \| Cash flow hedging
Derivative [Line Items]
Notional amount		$ 37,317,000
Remaining maturity		5 months
Interest-rate swaps \| Derivatives not designated as hedging instruments
Derivative [Line Items]
Remaining maturity	3 years

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

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

Period remaining until the derivative contract matures, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

The net gain (loss) during the reporting period due to ineffectiveness in foreign currency cash flow hedges. Recognized in earnings.

+ 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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- Details

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