Name:	us-gaap_ClassOfStockLineItems
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Data Type:	xbrli:stringItemType
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Period Type:	duration

The cash outflow to reacquire common stock during the period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Amount remaining of a stock repurchase plan authorized.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Total cost of shares repurchased divided by the total number of shares repurchased.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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Data Type:	num:perShareItemType
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Number of shares that have been repurchased during the period and are being held in treasury.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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-Topic 505
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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