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Financial Derivatives and Hedging Activities - Additional Information (Detail) | 3 Months Ended
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Mar. 31, 2018
Maximum [Member] | Fair Value, Measurements [Member] |
Derivative [Line Items] |
Accumulated other comprehensive income realization period | 18 months
Minimum [Member] | Fair Value, Measurements [Member] |
Derivative [Line Items] |
Accumulated other comprehensive income realization period | 12 months
Designated as Hedging [Member] | Cash Flow Hedges [Member] | Maximum [Member] |
Derivative [Line Items] |
Maturities of foreign currency derivative contracts | 18 months
Designated as Hedging [Member] | Cash Flow Hedges [Member] | Minimum [Member] |
Derivative [Line Items] |
Maturities of foreign currency derivative contracts | 1 month
Not Designated as Hedging [Member] |
Derivative [Line Items] |
Maturities of foreign currency derivative contracts | 1 month

X
- Definition Period over which deferred gains or losses are expected to be reclassified out of accumulated other comprehensive income. + References No definition available. + Details
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- Definition Maturities of foreign currency derivative contracts. + References No definition available. + 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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- Details
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- Details
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- Details
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- Details
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- Details
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- Details
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