Derivative Financial Instruments - Additional Information (Detail)	6 Months Ended
Jun. 30, 2016 USD ($) Derivative $ / €
Forward contracts [Member]
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Notional amount of forward contracts	$ 1,031,000,000
Maturity period of forward contracts, less than	1 year
Euro forward contracts [Member]
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Notional amount of forward contracts	$ 25,000,000
Average exchange rate on forward contracts \| $ / €	1.13
Maturity period of forward contracts, less than	1 year
Interest rate swaps [Member]
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Notional amount of forward contracts	$ 250,000,000
Number of interest rate swap agreements \| Derivative	5
Interest rate swap agreements maturity date	2018 and 2019

Interest rate swap agreement expiration date.

No definition available.

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- 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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Period Type:	instant

- Definition

Average period remaining before foreign currency exchange rate derivatives mature or expire, 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

Average contractual rate at which a foreign currency can be purchased or sold.

+ 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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- Definition

Number of interest rate derivative instruments held by the entity at the reporting date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5579245-113959

+ Details

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- Details

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- Details

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- Details

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