Aggregate dividends paid during the period for each share of common stock outstanding.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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Aggregate dividends declared during the period for each share of common stock outstanding.

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Shareholders' Equity - Dividends (Details) - $ / shares	Oct. 29, 2015	Jun. 15, 2015	Apr. 28, 2015	Dec. 15, 2014	Oct. 29, 2014	Jun. 16, 2014	Apr. 29, 2014
Equity [Abstract]
Dividends paid		$ 0.80		$ 0.49		$ 0.49
Subsequent Event [Line Items]
Dividends declared (in dollars per share)			$ 0.80		$ 0.49		$ 0.49
Subsequent event
Subsequent Event [Line Items]
Dividends declared (in dollars per share)	$ 0.80