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Subsequent Events (Narrative) (Details) - Subsequent Event [Member]	Jul. 19, 2016 USD ($) item $ / shares
Business Acquisition [Line Items]
Dividends payable, date declared	Jul. 19, 2016
Dividends payable, cents per share | $ / shares	$ 27.5
Dividends payable, increase in cents | $	$ 2.0
Dividends payable, increase in percentage	7.80%
Dividends payable, date of record	Aug. 15, 2016
Dividends payable, date to be paid	Sep. 15, 2016
Dividends payable, number of consecutive quarters increase quarterly cash dividend | item	21

X

- Definition

Dividends Payable Increase Amount

+ References

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- Definition

Dividends Payable Increase Percentage

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- Definition

Dividends Payable Number Of Consecutive Quarters

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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.

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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

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- Definition

Date the dividend to be paid was declared, 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

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

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