Financial Instruments and Fair Value Measurements - Schedule of Fair Value of Derivative Instruments (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Derivatives Fair Value [Line Items]
Asset	$ 53,579	$ 106,664
Liability	13,729	1,395
Foreign Currency Options [Member] \| EUR [Member]
Derivatives Fair Value [Line Items]
Asset	11,711	7,742
Liability	84	0
Foreign Currency Options [Member] \| GBP [Member]
Derivatives Fair Value [Line Items]
Asset	4,241	0
Liability	745	0
Foreign Currency Options [Member] \| JPY [Member]
Derivatives Fair Value [Line Items]
Asset	832	0
Liability	717	0
Foreign Currency Options [Member] \| CAD [Member]
Derivatives Fair Value [Line Items]
Asset	3,324	0
Liability	0	0
Interest Rate Hedges [Member]
Derivatives Fair Value [Line Items]
Asset	0	0
Liability	12,095	1,395
Net Investment Hedges [Member] \| EUR [Member]
Derivatives Fair Value [Line Items]
Asset	0	22,891
Liability	0	0
Net Investment Hedges [Member] \| GBP [Member]
Derivatives Fair Value [Line Items]
Asset	33,471	29,097
Liability	0	0
Net Investment Hedges [Member] \| JPY [Member]
Derivatives Fair Value [Line Items]
Asset	0	46,934
Liability	0	0
Cash Flow Hedge [Member] \| Foreign Currency Options [Member] \| Peso [Member]
Derivatives Fair Value [Line Items]
Asset	0	0
Liability	$ 88	$ 0

Aggregate fair value of all derivative assets designated as hedging instruments. Includes instruments designated as cash flow hedges, fair value hedges, and hedges of net investments in foreign operations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13433-108611

+ Details

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

- Definition

Aggregate fair value of all derivative liabilities designated as hedging instruments. Includes instruments designated as cash flow hedges, fair value hedges, and hedges of net investments in foreign operations.

+ References

+ Details

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

- 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

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

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_ForeignExchangeOptionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CurrencyAxis=currency_EUR
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CurrencyAxis=currency_GBP
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CurrencyAxis=currency_JPY
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CurrencyAxis=currency_CAD
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateContractMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_NetInvestmentHedgingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_CashFlowHedgingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CurrencyAxis=currency_CUC
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: