Acquisitions (Details) - Subsequent Event £ / shares in Units, £ in Billions, $ in Billions	Jul. 21, 2015 GBP (£) £ / shares	Jul. 21, 2015 USD ($)	Jul. 14, 2015
Business Acquisition [Line Items]
Business Acquisition, Share Price	£ 9.00
Business Acquisition, Total Price	£ 1.6	$ 2.4
Foreign Currency Exchange Rate, Remeasurement			1.5634

Total price for a number of saleable stocks paid or offered to be paid in a business combination.

No definition available.

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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

Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

+ References

No definition available.

+ Details

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- Definition

Foreign exchange rate used to remeasure amounts denominated in a currency other than functional currency into functional 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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