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Defined Contribution Plan, Employer Discretionary Non-cash Contribution Made for Employer Matching Liability

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Fifty percent of the shares of restricted stock may be earned on the basis of performance

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Market Price of Stock Issued During Period, Per Share, Employee Benefit Plan

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Number of Shares Issued under a Share-based Compensation Arrangement, Which Have Vesting Conditions associated with Performance and Service Conditions

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Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Vested 100% immediately

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Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Vested 100% on the second anniversary of the grant date with service conditions only

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Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Vested 100% on the third anniversary of the grant date with service conditions only

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Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Vested fifty percent on each of the second and third anniversaries of the grant date with service conditions only

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Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Vested one-third on each of the first three anniversaries of the grant date with service conditions only

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Thirty four percent of the shares vest on the third anniversary of the grant date

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Thirty three percent of the shares vest on the later of the first anniversary of the grant date or the determination that the performance conditions have been satisfied

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Thirty three percent of the shares vest on the second anniversary of the grant date

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Twenty five percent of the shares of restricted stock may be earned on the basis of performance as measured by Cash Efficiency

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Twenty five percent of the shares of restricted stock may be earned on the basis of performance as measured by an employee engagement score

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901

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-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

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-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(1)(i)

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

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-Name Staff Accounting Bulletin (SAB)

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The amount of the cost recognized during the period for defined contribution plans.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 70

-Section 50

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The amount of cash or cash equivalents contributed during the reporting period by the entity to fund non-pension postretirement benefits.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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-Name Accounting Standards Codification

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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).

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-Name Accounting Standards Codification

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Number of shares issued during the period to an employee benefit plan, such as a defined contribution or defined benefit plan.

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Number of shares issued during the period related to Restricted Stock Awards, net of any shares forfeited.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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-Name Accounting Standards Codification

-Topic 505

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-Name Accounting Standards Codification

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5