Actual Performance Based Awards Payout Ratio

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- Definition

The estimated payout ratio for performance based awards

+ References

No definition available.

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- Definition

Exercise price per share of each option, other than in the event of options granted in connection with a merger or other acquisition, cannot be less than fair market value of a share of common stock on the date of grant.

+ References

No definition available.

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- Definition

Performance Base Cash Maximum Payout

+ References

No definition available.

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- Definition

Performance Based Incentive Max Payout

+ References

No definition available.

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- Definition

Performance Based RSU Maximum Payout

+ References

No definition available.

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- Definition

Performance Based RSU Max Payout

+ References

No definition available.

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- Definition

Performance Based RSU Minimum Payout

+ References

No definition available.

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- Definition

Options with exercise price less than Fair Market Value of our stock. The cash inflow associated with the amount received from holders had they exercised their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

+ References

No definition available.

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- Definition

Revised Estimate Performance Based Awards Payout Ratio

+ References

No definition available.

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- Definition

The percentage of shares that will vest over each year of the plan.

+ References

No definition available.

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- Definition

For presentations that combine terminations, the number of shares under equity instruments that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option or RSUs plan or that expired.

+ References

No definition available.

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- Definition

Short Term Incentive Performance Based Payout

+ References

No definition available.

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- Definition

Type of Long-Term Compensation Award

+ References

No definition available.

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- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities.

+ References

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- Definition

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

+ References

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-Paragraph 1

-Subparagraph (SX 210.5-02.29)

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As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

+ References

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This element represents nonvested share-based payment awards that contain non-forfeitable rights to dividends or dividend equivalents (whether paid or unpaid). Basic and dilutive earnings per share are generally disclosed for such shares using the two-class method.

+ References

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-Name Accounting Standards Codification

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- Definition

Amount of payroll tax expense, compensation, postemployment and benefit-related expenses not elsewhere specified in the taxonomy (such as health plan, profit sharing, incentives, tuition reimbursement, other fringe benefits and perquisites) incurred in the period.

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- Definition

The amount of costs recognized during the period for non-pension postretirement benefits, such as medical, dental and life insurance.

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-Name Accounting Standards Codification

-Topic 230

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-Section 45

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- Definition

The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

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-Publisher FASB

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-Paragraph 28

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- Definition

The maximum vesting term over 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.

+ References

No definition available.

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The minimum vesting term over 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.

+ References

No definition available.

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ References

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- Definition

The weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect during the reporting period as a result of the occurrence of a terminating event specified in the contractual agreement of the plan.

+ References

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- Definition

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).

+ References

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued 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).

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(2)(c)

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-Name Statement of Financial Accounting Standard (FAS)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

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-Section 50

-Paragraph 2

-Subparagraph (c)(2)(iii)(1)

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-Publisher FASB

-Name Accounting Standards Codification

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- Definition

The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(2)(a)

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ References

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- Definition

The total fair value of equity-based awards for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

+ References

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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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).

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

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The weighted average price as of the beginning of the year at which grantees can acquire the shares reserved for issuance under the stock option plan.

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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

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

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-Name Regulation S-X (SX)

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Number of share options (or share units) exercised during the current period.

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Compensation Plans and Programs (Details) (USD $)	12 Months Ended
Compensation Plans and Programs (Details) (USD $)	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Equity Available for Grant [Roll Forward]
Equity Instruments Available for Grant as of December 31, 2010	3,209,000
RSUs granted	(156,000)
Options Expired and RSUs cancelled	441,000
Equity Instruments Available for Grant as of December 31, 2011	3,494,000	3,209,000
Number of Shares Authorized	3,000,000
Minimum Exercise Price Per Share Options	100.00%
Stock Options, Outstanding [Roll Forward]
Outstanding Options, as of December 31, 2010	675,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	(333,000)
Outstanding Options, as of December 31, 2011	342,000	675,000
Weighted Average Excercise Price, as of December 31, 2010	$ 13.94
Cancellations in Period, Weighted Average Exercise Price	$ 0.00
Exercises in Period, Weighted Average Exercise Price	$ 13.50
Weighted Average Exercise Price, as of December 31, 2011	$ 14.37	$ 13.94
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term	14.6
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit	$ 8.25
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit	$ 11.63
Intrinsic Value of Stock Options Exercised During Period	$ 12,100,000	$ 25,300,000	$ 11,200,000
Stock Options, Outstanding, Intrinsic Value	10,000,000
Proceeds from Stock Options Exercised	4,497,000	21,520,000	7,635,000
Vested in Period, Total Fair Value	8,000,000	7,800,000	6,300,000
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options	300,000	700,000
Proceeds From Stock Options If Exercised	4,900,000	9,400,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period, Minimum	0
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period, Maximum	3
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures	0
Performance Based RSU Minimum Payout	0
Performance Based RSU Max Payout	3
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]
RSUs granted	156,000
RSUs, Grants in Period, Weighted Average Grant Date Fair Value	$ 42.17	$ 31.77	$ 26.91
Common Stock, Shares, Issued	69,118,000	68,602,000	25,563
Incremental Common Shares Attributable to Participating Nonvested Shares with Non-forfeitable Dividend Rights	100,000
Estimated Performance Based Awards Payout Ratio	100.00%
Share-based Compensation	8,115,000	5,801,000	9,789,000
Other Postretirement Benefit Expense	1,000,000
Accrued Liabilities	0		600,000
Short Term Incentive Performance Based Payout	30.00%
Performance Based Awards Cycle 5 and 6 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]
Estimated Performance Based Awards Payout Ratio	100.00%
Revised Estimate Performance Based Awards Payout Ratio	50.00%
Other Labor-related Expenses	5,700,000
LTCP Cash Cycle 3 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]
Estimated Performance Based Awards Payout Ratio		50.00%	100.00%
Revised Estimate Performance Based Awards Payout Ratio			50.00%
Actual Performance Based Awards Payout Ratio		86.00%
Other Labor-related Expenses		3,300,000	(2,300,000)
RSU Cycle 4 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]
Actual Performance Based Awards Payout Ratio	31.00%
Share-based Compensation	1,300,000
Performance Based Awards Cash Payout [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]
Other Labor-related Expenses	1,800,000	11,200,000	100,000
Performance Based Awards Cash Payout [Member] \| Managers and Technical Equivalent and/or Above [Member]
Stock Options, Outstanding [Roll Forward]
Type of Long-Term Compensation Award	100.00%
Stock Options Outstaning which have an Indefinite Contractual Term [Member]
Stock Options, Outstanding [Roll Forward]
Outstanding Options, as of December 31, 2011	100,000
RSU Awards [Member]
Equity Available for Grant [Roll Forward]
RSUs granted	156,000
Stock Options, Outstanding [Roll Forward]
Vested in Period, Total Fair Value	5,100,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]
RSUs, Nonvested, Number,Beginning of Period	976,000
RSUs granted	(156,000)
RSUs, Forfeited in Period	(441,000)
RSUs, Vested in Period	(193,000)
RSUs, Nonvested, Number, End of Period	498,000
RSUs, Nonvested Weighted Average Grant Date Fair Value	$ 28,760
RSUs, Grants in Period, Weighted Average Grant Date Fair Value	$ 42,170
RSUs, Forfeited in Period, Weighted Average Grant Date Fair Value	$ 27,060
RSUs, Vested in Period, Weighted Average Grant Date Fair Value	$ 27,290
RSUs Nonvested, Weighted Average Grant Date Fair Value CLONE	$ 35,930
Restricted Stock Units (RSU) and/or Restricted Stock [Member]
Equity Available for Grant [Roll Forward]
RSUs granted	200,000	200,000
Stock Options, Outstanding [Roll Forward]
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures	100,000
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized	$ 6,000,000	$ 7,600,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]
RSUs granted	(200,000)	(200,000)
Time Based Awards [Member] \| Below Manager [Member]
Stock Options, Outstanding [Roll Forward]
Type of Long-Term Compensation Award	100.00%
Time Based Awards [Member] \| Employees Below Manager [Member]
Stock Options, Outstanding [Roll Forward]
Type of Long-Term Compensation Award	75.00%
Time Based Awards [Member] \| Managers and Technical Equivalent [Member]
Stock Options, Outstanding [Roll Forward]
Type of Long-Term Compensation Award	25.00%
Time Based Awards [Member] \| Executives [Member] [Member]
Stock Options, Outstanding [Roll Forward]
Type of Long-Term Compensation Award	50.00%
Time Based Awards [Member] \| Year One [Member] \| Employees Below Manager [Member]
Stock Options, Outstanding [Roll Forward]
RSU Vest Schedule	33.00%
Time Based Awards [Member] \| Year One [Member] \| Managers and Technical Equivalent [Member]
Stock Options, Outstanding [Roll Forward]
RSU Vest Schedule	25.00%
Time Based Awards [Member] \| Year One [Member] \| Senior Officers [Member]
Stock Options, Outstanding [Roll Forward]
RSU Vest Schedule	0.00%
Time Based Awards [Member] \| Year Two [Member] \| Employees Below Manager [Member]
Stock Options, Outstanding [Roll Forward]
RSU Vest Schedule	33.00%
Time Based Awards [Member] \| Year Two [Member] \| Managers and Technical Equivalent [Member]
Stock Options, Outstanding [Roll Forward]
RSU Vest Schedule	25.00%
Time Based Awards [Member] \| Year Two [Member] \| Senior Officers [Member]
Stock Options, Outstanding [Roll Forward]
RSU Vest Schedule	0.00%
Time Based Awards [Member] \| Year Three [Member] \| Employees Below Manager [Member]
Stock Options, Outstanding [Roll Forward]
RSU Vest Schedule	34.00%
Time Based Awards [Member] \| Year Three [Member] \| Managers and Technical Equivalent [Member]
Stock Options, Outstanding [Roll Forward]
RSU Vest Schedule	25.00%
Time Based Awards [Member] \| Year Three [Member] \| Senior Officers [Member]
Stock Options, Outstanding [Roll Forward]
RSU Vest Schedule	50.00%
Performance Based Awards [Member]
Equity Available for Grant [Roll Forward]
RSUs granted	100,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]
RSUs granted	(100,000)
Performance Based Awards [Member] \| Year One [Member] \| Managers and Technical Equivalent [Member]
Stock Options, Outstanding [Roll Forward]
RSU Vest Schedule	0.00%
Performance Based Awards [Member] \| Year One [Member] \| Senior Officers [Member]
Stock Options, Outstanding [Roll Forward]
RSU Vest Schedule	0.00%
Performance Based Awards [Member] \| Year Two [Member] \| Managers and Technical Equivalent [Member]
Stock Options, Outstanding [Roll Forward]
RSU Vest Schedule	0.00%
Performance Based Awards [Member] \| Year Two [Member] \| Senior Officers [Member]
Stock Options, Outstanding [Roll Forward]
RSU Vest Schedule	0.00%
Performance Based Awards [Member] \| Year Three [Member] \| Managers and Technical Equivalent [Member]
Stock Options, Outstanding [Roll Forward]
RSU Vest Schedule	25.00%
Performance Based Awards [Member] \| Year Three [Member] \| Senior Officers [Member]
Stock Options, Outstanding [Roll Forward]
RSU Vest Schedule	50.00%
Performance Based Awards Equity Payout [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]
Performance Based RSU Maximum Payout	300.00%
Performance Base Cash Maximum Payout	225.00%
Performance Based Awards Equity Payout [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]
Common Stock, Shares, Issued	0
Performance Based Awards Equity Payout [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]
Common Stock, Shares, Issued	100,000
Performance Based Awards Equity Payout [Member] \| Managers and Technical Equivalent and/or Above [Member]
Stock Options, Outstanding [Roll Forward]
Type of Long-Term Compensation Award	25.00%
Performance Based Awards Equity Payout [Member] \| Executives [Member] [Member]
Stock Options, Outstanding [Roll Forward]
Type of Long-Term Compensation Award	50.00%
Performance Based Awards Cash or Equity Payout [Member] [Member] \| Managers and Technical Equivalent and/or Above [Member]
Stock Options, Outstanding [Roll Forward]
Type of Long-Term Compensation Award	75.00%
Performance Based Incentive Max Payout	200.00%
Short-Term Incentive Plan Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]
Estimated Performance Based Awards Payout Ratio	100.00%