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STOCK-BASED COMPENSATION (Details) (USD $)
9 Months Ended 0 Months Ended
Dec. 27, 2014
Dec. 28, 2013
Oct. 22, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation expense recognized $ 10,219,000us-gaap_AllocatedShareBasedCompensationExpense $ 9,664,000us-gaap_AllocatedShareBasedCompensationExpense  
Tax benefit from compensation expense 3,300,000us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense 3,200,000us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense  
Weighted average fair value of options granted (in dollars per share) $ 7.89us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue $ 10.17us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue  
Total unrecognized compensation cost 29,000,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized    
Total unrecognized compensation cost related to non-vested stock options, weighted average period of recognition 2 years 7 months 10 days    
Stock Options Black-Scholes assumptions (weighted average):      
Volatility 22.45%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate 22.79%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate  
Expected life (years) 4 years 10 months 24 days 4 years 10 months 24 days  
Risk-free interest rate 1.75%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate 1.30%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate  
Dividend yield 0.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate 0.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate  
Shares purchased under the ESPP (in shares) 183,808us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans 156,224us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans  
Shares purchased under the ESPP (in dollars per share) $ 25.92hae_EmployeeStockPurchasePlanESPPWeightedAveragePurchasePriceOfSharesPurchased $ 32.77hae_EmployeeStockPurchasePlanESPPWeightedAveragePurchasePriceOfSharesPurchased  
2005 Long-Term Incentive Compensation Plan [Member] | Performance Shares [Member] | Senior Executives [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares authorized (in shares)     129,130us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= hae_A2005LongTermIncentiveCompensationPlanMember
/ us-gaap_TitleOfIndividualAxis
= hae_SeniorExecutivesMember
Number of individuals     14hae_SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofIndividuals
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= hae_A2005LongTermIncentiveCompensationPlanMember
/ us-gaap_TitleOfIndividualAxis
= hae_SeniorExecutivesMember
Performance payout percentage     100.00%hae_SharebasedCompensationArrangementbySharebasedPaymentAwardPerformancePayoutPercentage
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= hae_A2005LongTermIncentiveCompensationPlanMember
/ us-gaap_TitleOfIndividualAxis
= hae_SeniorExecutivesMember
Stock price correlation period     3 years
Dividend history     12 months
Stock-based compensation expense recognized 278,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= hae_A2005LongTermIncentiveCompensationPlanMember
/ us-gaap_TitleOfIndividualAxis
= hae_SeniorExecutivesMember
   
PSU Award Fair Value (in dollars per share) $ 35.09us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= hae_A2005LongTermIncentiveCompensationPlanMember
/ us-gaap_TitleOfIndividualAxis
= hae_SeniorExecutivesMember
   
Total unrecognized compensation cost $ 4,253,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= hae_A2005LongTermIncentiveCompensationPlanMember
/ us-gaap_TitleOfIndividualAxis
= hae_SeniorExecutivesMember
   
Stock Options Black-Scholes assumptions (weighted average):      
Volatility     20.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= hae_A2005LongTermIncentiveCompensationPlanMember
/ us-gaap_TitleOfIndividualAxis
= hae_SeniorExecutivesMember
Risk-free interest rate     0.78%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= hae_A2005LongTermIncentiveCompensationPlanMember
/ us-gaap_TitleOfIndividualAxis
= hae_SeniorExecutivesMember
2005 Long-Term Incentive Compensation Plan [Member] | Performance Shares [Member] | Senior Executives [Member] | Minimum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares authorized (in shares)     0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= hae_A2005LongTermIncentiveCompensationPlanMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_TitleOfIndividualAxis
= hae_SeniorExecutivesMember
Performance payout percentage     0.00%hae_SharebasedCompensationArrangementbySharebasedPaymentAwardPerformancePayoutPercentage
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= hae_A2005LongTermIncentiveCompensationPlanMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_TitleOfIndividualAxis
= hae_SeniorExecutivesMember
2005 Long-Term Incentive Compensation Plan [Member] | Performance Shares [Member] | Senior Executives [Member] | Maximum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares authorized (in shares)     258,260us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= hae_A2005LongTermIncentiveCompensationPlanMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_TitleOfIndividualAxis
= hae_SeniorExecutivesMember
Performance payout percentage     200.00%hae_SharebasedCompensationArrangementbySharebasedPaymentAwardPerformancePayoutPercentage
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= hae_A2005LongTermIncentiveCompensationPlanMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_TitleOfIndividualAxis
= hae_SeniorExecutivesMember