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Stock-Based Compensation, Equity Incentive Plans (Details) shares in Millions |  |  | 12 Months Ended |
--- | --- | --- | --- | ---
May 24, 2016 shares | Jun. 03, 2013 shares | Dec. 31, 2017 Installment Level | Apr. 30, 2010 shares
2010 Omnibus Incentive Plan [Member] |  |  |  |
Stock-Based Compensation [Abstract] |  |  |  |
Number of shares authorized for issuance (in shares) |  |  |  | 7.0
2010 Omnibus Incentive Plan [Member] | Stock Options [Member] | Minimum [Member] |  |  |  |
Stock-Based Compensation [Abstract] |  |  |  |
Contractual term of stock options granted |  |  | 7 years |
2010 Omnibus Incentive Plan [Member] | Stock Options [Member] | Maximum [Member] |  |  |  |
Stock-Based Compensation [Abstract] |  |  |  |
Contractual term of stock options granted |  |  | 10 years |
Amended and Restated 2010 Omnibus Incentive Plan [Member] |  |  |  |
Stock-Based Compensation [Abstract] |  |  |  |
Number of additional shares authorized for issuance (in shares) |  | 3.2 |  |
Amended and Restated 2010 Omnibus Incentive Plan [Member] | Performance-Based Options [Member] |  |  |  |
Stock-Based Compensation [Abstract] |  |  |  |
Number of installments for vesting | Installment |  |  | 4 |
Number of established performance levels for vesting | Level |  |  | 4 |
Amended and Restated 2010 Omnibus Incentive Plan [Member] | Performance-Based Options [Member] | First Performance Level [Member] |  |  |  |
Stock-Based Compensation [Abstract] |  |  |  |
Vesting percentage |  |  | 25.00% |
Amended and Restated 2010 Omnibus Incentive Plan [Member] | Performance-Based Options [Member] | Second Performance Level [Member] |  |  |  |
Stock-Based Compensation [Abstract] |  |  |  |
Vesting percentage |  |  | 25.00% |
Amended and Restated 2010 Omnibus Incentive Plan [Member] | Performance-Based Options [Member] | Third Performance Level [Member] |  |  |  |
Stock-Based Compensation [Abstract] |  |  |  |
Vesting percentage |  |  | 25.00% |
Amended and Restated 2010 Omnibus Incentive Plan [Member] | Performance-Based Options [Member] | Fourth Performance Level [Member] |  |  |  |
Stock-Based Compensation [Abstract] |  |  |  |
Vesting percentage |  |  | 25.00% |
Second Amended and Restated 2010 Omnibus Incentive Plan [Member] |  |  |  |
Stock-Based Compensation [Abstract] |  |  |  |
Number of additional shares authorized for issuance (in shares) | 3.8 |  |  |

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- Definition Number of installments for vesting share-based compensation awards. + References No definition available. + Details
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- Definition Number of additional shares authorized for issuance under an established share-based compensation plan. + References No definition available. + Details
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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=96867065&loc=d3e5070-113901 + Details
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- Definition Percentage of vesting of 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 (a)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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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=96867065&loc=d3e5070-113901 + Details
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