XML 75 R68.htm IDEA: XBRL DOCUMENT v2.4.0.6

Share capital - Summary of Dividends Paid Per Share (Detail) (USD $)	1 Months Ended	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2012 Record Date - February 10, 2012 [Member]	Dec. 31, 2012 Record Date - May 11, 2012 [Member]	Dec. 31, 2012 Record Date - August 10, 2012 [Member]	Dec. 31, 2012 Record Date - November 9, 2012 [Member]
Class of Stock [Line Items]
Dividends per share		$ 0.11	$ 0.11	$ 0.11	$ 0.11
Record Date	Feb. 08, 2013	Feb. 10, 2012	May 11, 2012	Aug. 10, 2012	Nov. 09, 2012
Payment Date	Feb. 22, 2013	Feb. 24, 2012	May 25, 2012	Aug. 24, 2012	Nov. 23, 2012

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- Definition

Date the declared dividend will be paid, in CCYY-MM-DD format.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

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- Definition

The per share amount of a dividend declared, but not paid, as of the financial reporting date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 32

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

+ References

No definition available.

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