Actual tax benefit realized for the tax deductions from options exercised.

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- Definition

Excess tax benefit if there was no net operating loss carry forwards.

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- Definition

Excess tax benefit on option exercises if there was no net operating loss carry forward.

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No definition available.

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- Definition

Excess tax expense benefit due to carryforward loss.

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No definition available.

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- Definition

Percentage of target number of performance-based awards will be earned.

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No definition available.

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- Definition

Period option is available to be exercised.

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No definition available.

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- Definition

Share based compensation arrangement by share based payment award options and restricted stock vested in period fair value.

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No definition available.

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- Definition

Share based compensation arrangement by share based payment award percentage of target number of shares to be issued.

+ References

No definition available.

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- Definition

Share based compensation arrangement by share based payment award target number of shares to be issued.

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- Definition

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.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

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- Definition

Unrecognized cost of unvested share-based compensation awards.

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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.

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- Definition

The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

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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.

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-Publisher FASB

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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.

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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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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Net number of share options (or share units) granted during the period.

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Incentive Plan (Narrative) (Details) (USD $)	1 Months Ended	12 Months Ended
Incentive Plan (Narrative) (Details) (USD $)	Feb. 28, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for issuance		10,350,000
Shares available for grant		1,659,169
Options granted during period		0	0	0
Share Based Compensation Expenses		$ 14,700,000	$ 11,800,000	$ 12,900,000
Tax benefit		5,300,000	4,000,000	4,400,000
Unrecognized compensation related to non-vested share-based compensation arrangements		25,000,000
Weighted-average period over which unrecognized compensation cost related to non-vested share-based compensation arrangements is expected to be recognized, in years		2 years 4 days
Total fair value of share-based awards vested		20,600,000	11,900,000	13,000,000
Excess tax benefit due to carryforward loss		0	0	0
Excess tax benefit if there was no net operating loss carry forwards		4,500,000	764,000	1,500,000
Cash received from option exercises		4,646,000	781,000	940,000
Target number of shares to be issued		286,518
Percentage of target number of performance-based awards will be earned	42.90%
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of target number of shares to be issued		0.00%
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of target number of shares to be issued		150.00%
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options expiration period, (in years)		10 years
Total intrinsic value of options exercised		2,200,000	921,000	1,000,000
Cash received from option exercises		4,300,000	582,000	798,000
Actual tax benefit realized for the tax deductions from options exercised		0	0	0
Excess tax benefit on option exercises if there was no net operating loss carry forward		$ 535,000	$ 192,000	$ 174,000
Stock Options \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting periods		3 years
Stock Options \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting periods		5 years
Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting periods		3 years