Expected Cash Dividend Per Share

No definition available.

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Period Type:	instant

- 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

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

The per share amount of a dividend declared, but not paid, as of the financial reporting date.

+ References

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

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

+ References

No definition available.

+ Details

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- Definition

Aggregate carrying amount of the estimated litigation liability for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs.

+ References

+ Details

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- Definition

Carrying amount of reserve for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs, which is expected to be paid within one year of the date of the statement of financial position.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.25)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 25

-Article 5

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 55

-Paragraph 11

-URI http://asc.fasb.org/extlink&oid=6396582&loc=d3e15243-108350

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Amount of judgment or settlement awarded to (against) the entity in respect of litigation.

+ References

No definition available.

+ Details

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

- Definition

Amount of damages awarded to the plaintiff in the legal matter.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 9

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349

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Balance Type:	debit
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- Details

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Subsequent Events - Additional Information (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	0 Months Ended	12 Months Ended
	Feb. 11, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2015	Feb. 24, 2015
Subsequent Event [Line Items]
Reserve for the claim		$ 2.7us-gaap_LitigationReserve
Additional reserve for the claim		0.3us-gaap_LitigationReserveCurrent
Cash dividend per share		$ 0.12us-gaap_DividendsPayableAmountPerShare	$ 0.08us-gaap_DividendsPayableAmountPerShare
Scenario, Forecast [Member]
Subsequent Event [Line Items]
Expected cash dividend per share				$ 0.60
Subsequent Event [Member]
Subsequent Event [Line Items]
Total compensation claim	25.3
Subsequent Event [Member] \| Plaintiff Seeking Actual Damages [Member]
Subsequent Event [Line Items]
Amount of damages	0.3
Subsequent Event [Member] \| Plaintiff Seeking Punitive Damages [Member]
Subsequent Event [Line Items]
Amount of damages	$ 25.0
Dividend Declared [Member]
Subsequent Event [Line Items]
Cash dividend per share		$ 0.12
Date of payment to shareholders entitled to dividends		Mar. 27, 2015
Date of record of shareholders entitled to dividends		Mar. 13, 2015
Dividend Declared [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Cash dividend per share					$ 0.15