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Stock-Based Compensation narrative (Details) (USD $) In Millions, except Share data, unless otherwise specified	0 Months Ended	9 Months Ended
	Jan. 02, 2014	Sep. 30, 2014
Stock-Based Compensation Expense
Options granted strike price	$ 10.25	$ 10.13
Unrecognized compensation expense related to restricted stock and stock option awards		$ 3
Unrecognized compensation expense, period for recognition		1 year 11 months 6 days
Common Stock
Stock-Based Compensation Expense
Maximum number of shares of common stock authorized for issuance under the incentive plan (in shares)		1,264,911
Restricted Stock
Stock-Based Compensation Expense
Award agreement triggering award to fully vest on date of change in control, period prior to change in control date		6 months
Award agreement triggering award to fully vest on date of employee service termination, period following change in control date		2 years
Stock Option
Stock-Based Compensation Expense
Award agreement triggering award to fully vest on date of change in control, period prior to change in control date		6 months
Award agreement triggering award to fully vest on date of employee service termination, period following change in control date		2 years
Award vesting period		4 years
Stock options awards expiration period		10 years

X

- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Award Agreement Triggering Award to Fully Vest On Date of Change in Control, Period Prior to Change in Control Date

+ References

No definition available.

+ Details

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Award Agreement Triggering Award to Fully Vest On Date of Employee Service Termination, Period Following Change in Control Date

+ References

No definition available.

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X

- Definition

Unrecognized cost of unvested share-based compensation awards.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (i)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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X

- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (i)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)(2)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

+ References

No definition available.

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