Shareholders' Equity (Details) (USD $) In Millions, except Share data, unless otherwise specified	11 Months Ended
Dec. 31, 2014	Feb. 05, 2014
Stockholders' Equity Note [Abstract]
Number of shares of common stock authorized for buyback (in shares)		10,000,000
Treasury Stock, Shares, Acquired	7,101,079us-gaap_TreasuryStockSharesAcquired
Treasury Stock Cumulative Value Acquired Cost Method	$ 338.6
Remaining number of shares authorized to be repurchased (in shares)	2,898,921	1,787,199

The cumulative equity impact of the cost of common stock repurchased. Recorded using the cost method.

No definition available.

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- 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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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The remaining 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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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- 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

+ Details

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Period Type:	duration