v2.4.0.8

Financial Instruments and Fair Value Measurements - Schedule of Fair Value of Derivative Instruments (Detail) (USD $) In Thousands, unless otherwise specified | Sep. 30, 2014 | Dec. 31, 2013
--- | --- | ---
Derivatives, Fair Value [Line Items] |  |
Asset | $ 61,547 | $ 20,241
Liability | 4,723 | 35,940
AOCI | 48,564 | (14,045)
Net Investment Hedges - Euro Denominated [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset | 16,441 | 137
Liability |  | 30,302
AOCI | 18,565 | (21,705)
Net Investment Hedges - Yen Denominated [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset | 28,184 | 20,104
AOCI | 36,385 | 22,102
Net Investment Hedges - Pounds Sterling Denominated [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset | 15,840 |
Liability |  |
AOCI | 15,840 |
Foreign Currency Options - Euro Denominated [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset | 1,082 |
Liability |  |
AOCI |  |
Interest Rate Swap Hedges [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Liability | 4,723 | 5,638
AOCI | (820) | (591)
Our Share of Derivatives from Unconsolidated Co-Investment Ventures [Member] |  |
Derivatives, Fair Value [Line Items] |  |
AOCI | $ (21,406) | $ (13,851)

X
- Definition 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. + References 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=35750535&loc=d3e13433-108611 + Details
Name: | us-gaap_DerivativeInstrumentsInHedgesAssetsAtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- 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 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=35750535&loc=d3e13433-108611 + Details
Name: | us-gaap_DerivativeInstrumentsInHedgesLiabilitiesAtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition Cumulative adjustment resulting from gains and losses on foreign currency derivatives that are designated as, and are effective as, hedges of a net investment in a foreign entity, commencing as of the designation date. Adjustment reported in equity as part of accumulated other comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -Subparagraph (b),(c) -URI http://asc.fasb.org/extlink&oid=6915805&loc=d3e32211-110900 + Details
Name: | us-gaap_TranslationAdjustmentForNetInvestmentHedgeNetOfTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant