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- Definition

The cash outflow to reacquire common stock during the period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585

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- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

+ Details

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- Definition

Expiration date for the purchase of an entity's own shares under a stock repurchase plan, in the CCYY-MM-DD format.

+ References

No definition available.

+ Details

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- Definition

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

+ 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 SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

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Subsequent Events - Additional Information (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended	0 Months Ended	3 Months Ended	0 Months Ended
	Dec. 31, 2014	Aug. 06, 2014	Sep. 30, 2014	Feb. 20, 2015	Feb. 13, 2015
Accelerated Share Repurchases [Line Items]
Amount paid to counter party under share repurchase program	$ 200,000
ASR Program [Member]
Accelerated Share Repurchases [Line Items]
Share repurchase, common stock shares	5,567,154		5,567,154
Amount paid to counter party under share repurchase program	200,000	200,000
Share Repurchase Program [Abstract]
Stock repurchased program, authorized amount		200,000
Subsequent Event [Member]
Share Repurchase Program [Abstract]
Stock repurchased program, authorized amount				200,000
Stock repurchase program date of expiration				Dec. 31, 2016
Subsequent Event [Member] \| ASR Program [Member]
Accelerated Share Repurchases [Line Items]
Share repurchase, common stock shares					784,694
Amount paid to counter party under share repurchase program					$ 200,000
Subsequent Event [Member] \| ASR Program [Member] \| Counter Party [Member]
Accelerated Share Repurchases [Line Items]
Share repurchase, common stock shares					6,351,848