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

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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

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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

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