XML 36 R25.htm IDEA: XBRL DOCUMENT v3.8.0.1

Fair Value Measurements (Details) - USD ($)
$ in Thousands

Apr. 30, 2018

Jul. 31, 2017

Assets:

Foreign exchange forward contracts

$ 137

Liabilities:

Foreign exchange forward contracts

Fair Value, Measurements, Recurring [Member] | Level 1 [Member]

Assets:

Foreign exchange forward contracts

^[1]

Liabilities:

Foreign exchange forward contracts

^[1]

Fair Value, Measurements, Recurring [Member] | Level 2 [Member]

Assets:

Foreign exchange forward contracts

^[2]

137

Liabilities:

Foreign exchange forward contracts

^[2]

Fair Value, Measurements, Recurring [Member] | Level 3 [Member]

Assets:

Foreign exchange forward contracts

^[3]

Liabilities:

Foreign exchange forward contracts

^[3]

[1]	quoted prices in active markets for identical assets or liabilities
[2]	observable inputs other than quoted prices in active markets for identical assets and liabilities
[3]	no observable pricing inputs in the market

X

- References

No definition available.

+ Details

Name:	us-gaap_AssetsFairValueDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Fair value portion of asset contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward contracts, and swaps.

+ References

No definition available.

+ Details

Name:	us-gaap_ForeignCurrencyContractAssetFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Fair value portion of liability contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward (delivery or nondelivery) contracts, and swaps entered into.

+ References

No definition available.

+ Details

Name:	us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_LiabilitiesFairValueDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: