The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

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- Definition

Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 830

-SubTopic 30

-Section S99

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6897108&loc=SL6897125-166521

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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
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- Details

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Assets and Liabilities Held for Sale - Additional Information (Detail)	Sep. 30, 2014 Balance Sheet	Dec. 31, 2013 Balance Sheet	Sep. 30, 2014 Income Statement	Sep. 30, 2013 Income Statement	Aug. 31, 2014 Assets Held-for-sale	Aug. 31, 2014 Retained interest
Real Estate Properties [Line Items]
Ownership percentage of German assets					94.90%
Non-controlling ownership percentage of German assets						5.10%
Foreign currency exchange rate translation from Euros to U.S. dollars	1.27	1.38	1.36	1.32