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Employee Share-Based Incentive Compensation Plans (WTM Performance Shares) (Details) (USD $) | 12 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2012
Unamortized grant date fair value |  |  |  |
Ending December 31, | 184,600,000 wtm_IncentiveCompensationPayable | 218,300,000 wtm_IncentiveCompensationPayable | 184,600,000 wtm_IncentiveCompensationPayable |
Performance Shares | Range of Performance Cycle from 2011 to 2013 [Member] |  |  |  |
Unamortized grant date fair value |  |  |  |
Vested (in shares) | 3,570 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / wtm_ShareBasedCompensationArrangementByPerformanceSharesAwardPerformanceCycleAxis = wtm_RangeOfPerformanceCycleFrom2011To2013Member |  |  |
Performance Shares | Range of Performance Cycle from 2009 to 2011 [Member] |  |  |  |
Unamortized grant date fair value |  |  |  |
Vested (in shares) |  | 9,577 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / wtm_ShareBasedCompensationArrangementByPerformanceSharesAwardPerformanceCycleAxis = wtm_RangeOfPerformanceCycleFrom2009To2011Member |  |
Performance Shares | White Mountains |  |  |  |
Share-based compensation arrangement by share-based payment award |  |  |  |
Multiplier for determining payout, low end of range | 0 wtm_ShareBasedCompensationArrangementByShareBasedPaymentAwardMultiplierForDeterminingPayoutLowEndOfRange / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember |  |  |
Multiplier for determining payout, high end of range | 2 wtm_ShareBasedCompensationArrangementByShareBasedPaymentAwardMultiplierForDeterminingPayoutHighEndOfRange / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember |  |  |
Performance cycle period | 3 years |  |  |
Performance Shares | W T M Incentive and Phantom Plan [Member] | Range Of Performance Cycle From 2014-2016 [Member] |  |  |  |
Target Performance Share activity |  |  |  |
Assumed forfeitures and cancellations(2)(3) |  |  | 3,040 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / us-gaap_PlanNameAxis = wtm_WTMIncentiveAndPhantomPlanMember / wtm_ShareBasedCompensationArrangementByPerformanceSharesAwardPerformanceCycleAxis = wtm_RangeOfPerformanceCycleFrom20142016Member |
Performance Shares | W T M Incentive and Phantom Plan [Member] | Range of Performance Cycle from 2011 to 2013 [Member] |  |  |  |
Unamortized grant date fair value |  |  |  |
Performance goal percentage for minimum payout | 88.00%wtm_SharebasedCompensationArrangementbySharebasedPaymentAwardPerformanceGoalPercentageforPayout / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / us-gaap_PlanNameAxis = wtm_WTMIncentiveAndPhantomPlanMember / wtm_ShareBasedCompensationArrangementByPerformanceSharesAwardPerformanceCycleAxis = wtm_RangeOfPerformanceCycleFrom2011To2013Member |  |  |
Payout for maximum growth target percentage | 131.50%wtm_ShareBasedCompensationArrangementByShareBasedPaymentAwardPayoutForMaximumGrowthTargetPercentage / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / us-gaap_PlanNameAxis = wtm_WTMIncentiveAndPhantomPlanMember / wtm_ShareBasedCompensationArrangementByPerformanceSharesAwardPerformanceCycleAxis = wtm_RangeOfPerformanceCycleFrom2011To2013Member |  |  |
Performance Shares | W T M Incentive and Phantom Plan [Member] | Range of Performance Cycle from 2010 to 2012 [Member] |  |  |  |
Unamortized grant date fair value |  |  |  |
Performance goal percentage for minimum payout |  | 33.00%wtm_SharebasedCompensationArrangementbySharebasedPaymentAwardPerformanceGoalPercentageforPayout / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / us-gaap_PlanNameAxis = wtm_WTMIncentiveAndPhantomPlanMember / wtm_ShareBasedCompensationArrangementByPerformanceSharesAwardPerformanceCycleAxis = wtm_RangeOfPerformanceCycleFrom2010To2012Member |  |
Payout for maximum growth target percentage |  | 98.00%wtm_ShareBasedCompensationArrangementByShareBasedPaymentAwardPayoutForMaximumGrowthTargetPercentage / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / us-gaap_PlanNameAxis = wtm_WTMIncentiveAndPhantomPlanMember / wtm_ShareBasedCompensationArrangementByPerformanceSharesAwardPerformanceCycleAxis = wtm_RangeOfPerformanceCycleFrom2010To2012Member |  |
Partial Payout for 2010 - 2012 cycle |  |  |  | 9.9 wtm_PartialPayout / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / us-gaap_PlanNameAxis = wtm_WTMIncentiveAndPhantomPlanMember / wtm_ShareBasedCompensationArrangementByPerformanceSharesAwardPerformanceCycleAxis = wtm_RangeOfPerformanceCycleFrom2010To2012Member
Performance Shares | W T M Incentive and Phantom Plan [Member] | Range of Performance Cycle from 2009 to 2011 [Member] |  |  |  |
Unamortized grant date fair value |  |  |  |
Performance goal percentage for minimum payout |  |  |  | 147.00%wtm_SharebasedCompensationArrangementbySharebasedPaymentAwardPerformanceGoalPercentageforPayout / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / us-gaap_PlanNameAxis = wtm_WTMIncentiveAndPhantomPlanMember / wtm_ShareBasedCompensationArrangementByPerformanceSharesAwardPerformanceCycleAxis = wtm_RangeOfPerformanceCycleFrom2009To2011Member
Payout for maximum growth target percentage |  |  |  | 155.00%wtm_ShareBasedCompensationArrangementByShareBasedPaymentAwardPayoutForMaximumGrowthTargetPercentage / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / us-gaap_PlanNameAxis = wtm_WTMIncentiveAndPhantomPlanMember / wtm_ShareBasedCompensationArrangementByPerformanceSharesAwardPerformanceCycleAxis = wtm_RangeOfPerformanceCycleFrom2009To2011Member
Performance Shares | W T M Incentive Plan | Range Of Performance Cycle From 2014-2016 [Member] |  |  |  |
Unamortized grant date fair value |  |  |  |
Payout for maximum growth target percentage | 200.00%wtm_ShareBasedCompensationArrangementByShareBasedPaymentAwardPayoutForMaximumGrowthTargetPercentage / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember / wtm_ShareBasedCompensationArrangementByPerformanceSharesAwardPerformanceCycleAxis = wtm_RangeOfPerformanceCycleFrom20142016Member |  |  |
Performance Shares | W T M Incentive Plan | White Mountains |  |  |  |
Target Performance Share activity |  |  |  |
Beginning of period | 119,220 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | 119,357 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember |  | 150,064 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember
Shares paid or expired(1) | (37,130)wtm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsTargetSharesPaidInPeriod / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | (47,310)wtm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsTargetSharesPaidInPeriod / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember |  | (68,357)wtm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsTargetSharesPaidInPeriod / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember
New grants | 45,660 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | 47,170 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember |  | 38,432 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember
Assumed forfeitures and cancellations(2)(3) | 4,201 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | (3)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember |  | 782 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember
Ending December 31, | 123,549 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | 119,220 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | 123,549 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | 119,357 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember
Unamortized grant date fair value |  |  |  |
Beginning of period | 60,200,000 wtm_IncentiveCompensationPayable / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | 29,400,000 wtm_IncentiveCompensationPayable / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember |  | 66,100,000 wtm_IncentiveCompensationPayable / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember
Shares paid or expired(1) | (26,700,000)wtm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAmountsPaidInPeriod / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | (11,000,000)wtm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAmountsPaidInPeriod / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember |  | (58,300,000)wtm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAmountsPaidInPeriod / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember
Assumed forfeitures and cancellations(2)(3) | (700,000)wtm_EmployeeServiceShareBasedCompensationNonvestedAwardsForfeitedInPeriodTotalCompensationCostNotYetRecognized / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | (600,000)wtm_EmployeeServiceShareBasedCompensationNonvestedAwardsForfeitedInPeriodTotalCompensationCostNotYetRecognized / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember |  | 600,000 wtm_EmployeeServiceShareBasedCompensationNonvestedAwardsForfeitedInPeriodTotalCompensationCostNotYetRecognized / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember
Expense recognized | 15,300,000 us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | 42,400,000 us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember |  | 21,000,000 us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember
Ending December 31, | 48,100,000 wtm_IncentiveCompensationPayable / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | 60,200,000 wtm_IncentiveCompensationPayable / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | 48,100,000 wtm_IncentiveCompensationPayable / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember | 29,400,000 wtm_IncentiveCompensationPayable / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember
Unamortized grant date fair value | 16,900,000 us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember |  | 16,900,000 us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / dei_LegalEntityAxis = wtm_WhiteMountainsMember / us-gaap_PlanNameAxis = wtm_WTMIncentivePlanMember |

X
- 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 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
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Balance Type: | debit
Period Type: | duration

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- 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 + Details
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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 Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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X
- 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 Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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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 Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + 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 (c)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The total reduction to unamortized compensation cost for performance shares forfeited during the period. + References No definition available. + Details
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- Definition Aggregate carrying value as of the balance sheet date of liabilities for incentive compensation arrangements. + References No definition available. + Details
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- Definition Partial Payout + References No definition available. + Details
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- Definition The amount of performance shares that were paid out (including deposits into a deferred compensation plan) or that expired due to failure to meet performance criteria. + References No definition available. + Details
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- Definition The number of target performance shares that were paid out (including deposits into a deferred compensation plan) or that expired due to failure to meet performance criteria. + References No definition available. + Details
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- Definition Represents the high end of the range of multiplier for number of shares initially granted to determine payout. + References No definition available. + Details
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- Definition Represents the low end of the range of the multiplier for the number of shares initially granted to determine payout. + References No definition available. + Details
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- Definition Represents the lpercentage of target achieved, high end of range. + References No definition available. + Details
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- Definition Represents the performance cycle on conclusion of which shares become payable. + References No definition available. + Details
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- Definition Represents the percentage growth in intrinsic business value per share to achieve payment. + References No definition available. + Details
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