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CAPITAL STOCK (Narrative) (Details) (USD $) | 12 Months Ended |
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Mar. 28, 2015 | Mar. 29, 2014 | Mar. 30, 2013 | Oct. 22, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock compensation expense | $ 14,095,000 us-gaap_ShareBasedCompensation | $ 13,081,000 us-gaap_ShareBasedCompensation | $ 10,969,000 us-gaap_ShareBasedCompensation |
Stock-based compensation expense recognized |  | 13,100,000 us-gaap_AllocatedShareBasedCompensationExpense | 11,000,000 us-gaap_AllocatedShareBasedCompensationExpense |
Income tax benefit recognized related to stock-based compensation | 4,500,000 us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense | 4,300,000 us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense | 3,500,000 us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense |
Excess tax benefit on exercise of stock options | 1,569,000 us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities | 2,395,000 us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities | 4,101,000 us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities |
Performance shares target, percentage | 100.00%hae_SharebasedCompensationArrangementbySharebasedPaymentAwardPerformanceTarget |  |  |
Stock Options [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Options outstanding (in shares) | 3,761,666 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember | 3,834,372 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |  |
Total intrinsic value of options exercised | 5,600,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember | 11,700,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember | 20,900,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
Total unrecognized compensation cost related to non vested awards | 9,200,000 us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |  |  |
Total unrecognized compensation cost related to non vested stock options, weighted average period of recognition (in years) | 2 years 4 months 13 days |  |  |
Weighted average grant date fair value of options granted (in dollars per share) | $ 7.91 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember | $ 10.15 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember | $ 9.76 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
Annual unvested stock option forfeiture rate (as a percent) | 8.00%hae_AnnualUnvestedStockOptionForfeitureRate / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember | 8.00%hae_AnnualUnvestedStockOptionForfeitureRate / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |  |
Market Stock Units [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Equity instruments other than options outstanding (in shares) | 287,682 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = hae_MarketStockUnitsMember |  |  |
Total unrecognized compensation cost related to non vested awards | 11,200,000 us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized / us-gaap_AwardTypeAxis = hae_MarketStockUnitsMember |  |  |
Weighted Average Market Value at Grant Date (in dollars per share), Beginning Balance | $ 37.42 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = hae_MarketStockUnitsMember |  |  |
Performance Share Units (PSUs) [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Maximum number of shares available for award (in shares) | 863,046 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |  |  |
Weighted Average Market Value at Grant Date (in dollars per share), Awarded | $ 85 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |  |  |
Stock compensation expense | 662,000 us-gaap_ShareBasedCompensation / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |  |  |
Total unrecognized compensation cost related to non vested awards | 3,869,000 us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |  |  |
Number of senior executives | 14 hae_SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofSeniorExecutives / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |  |  |
Performance Shares Threshold | $ 50 hae_SharebasedCompensationArrangementbySharebasedPaymentAwardPerformanceSharesThreshold / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |  |  |
Performance Shares Received Below Threshold | 0 hae_SharebasedCompensationArrangementbySharebasedPaymentAwardPerformanceSharesReceivedBelowThreshold / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |  |  |
Performance Shares Target Multiplier | 3 hae_SharebasedCompensationArrangementbySharebasedPaymentAwardPerformanceSharesTargetMultiplier / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |  |  |
Weighted Average Market Value at Grant Date (in dollars per share), Beginning Balance |  |  |  | $ 35.09 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember
Target Shares (in shares) | 129,130 hae_SharebasedCompensationArrangementbySharebasedPaymentAwardTargetShares / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember |  |  |
Restricted Stock Units (RSUs) [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Total unrecognized compensation cost related to non vested awards | $ 13,200,000 us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember |  |  |
Total unrecognized compensation cost related to non vested stock options, weighted average period of recognition (in years) | 2 years 4 months 13 days |  |  |
Minimum |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Performance shares target, percentage | 0.00%hae_SharebasedCompensationArrangementbySharebasedPaymentAwardPerformanceTarget / us-gaap_RangeAxis = us-gaap_MinimumMember |  |  |
Minimum | Performance Share Units (PSUs) [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Target Shares (in shares) | 0 hae_SharebasedCompensationArrangementbySharebasedPaymentAwardTargetShares / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / us-gaap_RangeAxis = us-gaap_MinimumMember |  |  |
Maximum |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Performance shares target, percentage | 200.00%hae_SharebasedCompensationArrangementbySharebasedPaymentAwardPerformanceTarget / us-gaap_RangeAxis = us-gaap_MaximumMember |  |  |
Maximum | Performance Share Units (PSUs) [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Target Shares (in shares) | 258,260 hae_SharebasedCompensationArrangementbySharebasedPaymentAwardTargetShares / us-gaap_AwardTypeAxis = us-gaap_PerformanceSharesMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |  |
Long-term Incentive Plan 2000 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Maximum number of shares available for award (in shares) | 7,000,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized / us-gaap_PlanNameAxis = hae_LongTermIncentivePlan2000Member |  |  |
Long-term Incentive Plan 2000 [Member] | Stock Options [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Maximum number of shares available for grant (in shares) | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_PlanNameAxis = hae_LongTermIncentivePlan2000Member |  |  |
Options outstanding (in shares) | 55,750 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_PlanNameAxis = hae_LongTermIncentivePlan2000Member |  |  |
Incentive Compensation Plan 2005 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of members on board of directors (in board members) | 3 hae_NumberOfMembersOnBoardOfDirectors / us-gaap_PlanNameAxis = hae_IncentiveCompensationPlan2005Member |  |  |
Maximum number of shares available for award (in shares) | 15,024,920 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized / us-gaap_PlanNameAxis = hae_IncentiveCompensationPlan2005Member |  |  |
Maximum number of shares available for grant (in shares) | 999,243 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant / us-gaap_PlanNameAxis = hae_IncentiveCompensationPlan2005Member |  |  |
Number of equity instruments other than options counted against maximum number of award shares for every share granted (in shares) | 3.26 hae_NumberOfEquityInstrumentsOtherThanOptionsCountedAgainstMaximumNumberOfAwardSharesForEveryShareGranted / us-gaap_PlanNameAxis = hae_IncentiveCompensationPlan2005Member |  |  |
Maximum number of years from grant date that options expire (in years) | 7 years |  |  |
Incentive Compensation Plan 2005 [Member] | Stock Options [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Maximum number of shares available for award (in shares) | 500,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_PlanNameAxis = hae_IncentiveCompensationPlan2005Member |  |  |
Number of options counted against maximum number of award shares for every share option issued (in shares) | 1 hae_NumberOfOptionsCountedAgainstMaximumNumberOfAwardShares / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_PlanNameAxis = hae_IncentiveCompensationPlan2005Member |  |  |
Incentive Compensation Plan 2005 [Member] | Restricted Stock [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Period in which awards become exercisable for employees (in years) | 4 years |  |  |
Period after grant that awards become exercisable for non-employee directors (in years) | 1 year |  |  |
Equity instruments other than options outstanding (in shares) | 357,547 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / us-gaap_PlanNameAxis = hae_IncentiveCompensationPlan2005Member |  |  |
Employee Stock Purchase Plan [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Maximum number of shares available for award (in shares) | 1,400,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized / us-gaap_EmployeeStockOwnershipPlanESOPDisclosuresByPlanAxis = hae_EmployeeStockPurchasePlanMember |  |  |
Number of purchase periods (in purchase periods) | 2 hae_NumberOfPurchasePeriods / us-gaap_EmployeeStockOwnershipPlanESOPDisclosuresByPlanAxis = hae_EmployeeStockPurchasePlanMember |  |  |
Percentage of purchase price for shares of common stock at fair market value (as a percent) | 85.00%hae_PercentageOfPurchasePriceForSharesOfCommonStockAtFairMarketValue / us-gaap_EmployeeStockOwnershipPlanESOPDisclosuresByPlanAxis = hae_EmployeeStockPurchasePlanMember |  |  |
Weighted average grant date fair value of the six-month option inherent in the Purchase Plan (in dollars per share) | $ 7.09 hae_WeightedAverageGrantDateFairValueOfSixMonthOptionInherentInPurchasePlan / us-gaap_EmployeeStockOwnershipPlanESOPDisclosuresByPlanAxis = hae_EmployeeStockPurchasePlanMember | $ 8.25 hae_WeightedAverageGrantDateFairValueOfSixMonthOptionInherentInPurchasePlan / us-gaap_EmployeeStockOwnershipPlanESOPDisclosuresByPlanAxis = hae_EmployeeStockPurchasePlanMember | $ 8.50 hae_WeightedAverageGrantDateFairValueOfSixMonthOptionInherentInPurchasePlan / us-gaap_EmployeeStockOwnershipPlanESOPDisclosuresByPlanAxis = hae_EmployeeStockPurchasePlanMember |
Employee Stock Purchase Plan [Member] | Minimum |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Percentage of shares purchased through payroll deductions (as a percent) | 2.00%hae_PercentageOfSharesPurchasedThroughPayrollDeductions / us-gaap_EmployeeStockOwnershipPlanESOPDisclosuresByPlanAxis = hae_EmployeeStockPurchasePlanMember / us-gaap_RangeAxis = us-gaap_MinimumMember |  |  |
Employee Stock Purchase Plan [Member] | Maximum |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Percentage of shares purchased through payroll deductions (as a percent) | 15.00%hae_PercentageOfSharesPurchasedThroughPayrollDeductions / us-gaap_EmployeeStockOwnershipPlanESOPDisclosuresByPlanAxis = hae_EmployeeStockPurchasePlanMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |  |

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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 -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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- 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 total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the 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 (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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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 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 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 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 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=6415400&loc=d3e5070-113901 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition 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. + 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 (d)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + 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 (d)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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