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Amount of a stock repurchase plan authorized by an entity's Board of Directors.

+ References

No definition available.

+ Details

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- Definition

The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

+ References

No definition available.

+ Details

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- Definition

Amount remaining of a stock repurchase plan authorized by an entity's Board of Directors.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- Definition

Number of shares that have been repurchased during the period and are being held in treasury.

+ References

+ Details

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- Definition

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Reference 3: 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 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 30

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655

+ Details

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Earnings Per Share (Details 2) (USD $)	9 Months Ended	0 Months Ended	3 Months Ended	9 Months Ended	0 Months Ended			3 Months Ended	9 Months Ended
Earnings Per Share (Details 2) (USD $)	Nov. 01, 2014 Share Repurchase Program 2011 Common Stock	Mar. 14, 2011 Share Repurchase Program 2011 Common Stock Maximum	Nov. 01, 2014 Share Repurchase Program 2012 Common Stock	Nov. 01, 2014 Share Repurchase Program 2012 Common Stock	Jun. 26, 2012 Share Repurchase Program 2012 Common Stock Maximum	Nov. 01, 2014 Share Repurchase Program 2011 and 2012 Maximum	Nov. 01, 2014 Share Repurchase Program 2011 and 2012 Minimum	May 04, 2013 Share Repurchase Program 2011 and 2012 Common Stock	Nov. 02, 2013 Share Repurchase Program 2011 and 2012 Common Stock
Share Repurchase Program
Value of common stock authorized to be repurchased		$ 250,000,000			$ 500,000,000
Number of common stock authorized to be repurchased (in shares)						0	0
Number of common stock repurchased (in shares)			0	0				882,551	882,551
Shares repurchased, aggregate cost			0	0				22,100,000	22,100,000
Value of common stock remaining to be repurchased	$ 0			$ 495,800,000