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Fair Value Measurements - Additional Information (Detail) - Apr. 30, 2019 € in Thousands, £ in Thousands, $ in Thousands	USD ($)	EUR (€)	GBP (£)
Restricted Cash	$ 25,801	€ 23,000
Erwin Hymer Group
Derivative Asset, Notional Amount | $	$ 900,000
Foreign Exchange Forward
Derivative Asset, Notional Amount | £			£ 25,000

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=98513485&loc=SL98516268-108586

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
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-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
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-Section S99
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