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NOTES PAYABLE AND LONG-TERM DEBT (Narrative) (Details) (USD $)
12 Months Ended 0 Months Ended 1 Months Ended
Mar. 28, 2015
Mar. 29, 2014
Mar. 30, 2013
Aug. 01, 2012
Jun. 30, 2014
Dec. 31, 2000
Dec. 29, 2012
Dec. 02, 2000
Debt Instrument [Line Items]                
Variable rate basis LIBOR              
Payments of Debt Issuance Costs $ 1,013,000us-gaap_PaymentsOfDebtIssuanceCosts $ 0us-gaap_PaymentsOfDebtIssuanceCosts $ 5,467,000us-gaap_PaymentsOfDebtIssuanceCosts          
Interest paid 8,497,000us-gaap_InterestPaidNet 8,942,000us-gaap_InterestPaidNet 5,910,000us-gaap_InterestPaidNet          
Interest payable 600,000us-gaap_InterestPayableCurrentAndNoncurrent              
Long-term debt 430,483,000us-gaap_LongTermDebt              
Term Loan                
Debt Instrument [Line Items]                
Face amount of debt 429,400,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_LongtermDebtTypeAxis
= hae_TermLoanMember
             
Basis spread on variable rate       1.375%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_LongtermDebtTypeAxis
= hae_TermLoanMember
       
Amount outstanding 379,400,000us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding
/ us-gaap_LongtermDebtTypeAxis
= hae_TermLoanMember
             
Effective interest rate       2.00%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_LongtermDebtTypeAxis
= hae_TermLoanMember
       
Deferred finance costs 5,500,000us-gaap_DeferredFinanceCostsNet
/ us-gaap_LongtermDebtTypeAxis
= hae_TermLoanMember
             
Debt discount (2,600,000)us-gaap_AmortizationOfDebtDiscountPremium
/ us-gaap_LongtermDebtTypeAxis
= hae_TermLoanMember
             
Term Loan | Pall Corporation [Member]                
Debt Instrument [Line Items]                
Face amount of debt       475,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_BusinessAcquisitionAxis
= hae_PallCorporationMember
/ us-gaap_LongtermDebtTypeAxis
= hae_TermLoanMember
       
Adjusted libor rounding percentage       6.25%hae_AdjustedLiborRoundingPercentage
/ us-gaap_BusinessAcquisitionAxis
= hae_PallCorporationMember
/ us-gaap_LongtermDebtTypeAxis
= hae_TermLoanMember
       
Term loan, net of financing fees                
Debt Instrument [Line Items]                
Long-term debt 426,814,000us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= hae_TermLoanNetofFinancingFeesMember
435,338,000us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= hae_TermLoanNetofFinancingFeesMember
           
Revolving Credit Facility                
Debt Instrument [Line Items]                
Face amount of debt       50,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
       
Term of debt 5 years              
Maximum borrowing capacity         100,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
     
Consolidated total leverage ratio 3.0hae_ConsolidatedTotalLeverageRatio
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
             
Consolidated interest coverage ratio 4.0hae_ConsolidatedInterestCoverageRatio
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
             
Commitment fee 0.25%us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
             
Long-term debt 50,000,000us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
             
Revolving Credit Facility | Minimum                
Debt Instrument [Line Items]                
Commitment fee 0.175%us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
             
Revolving Credit Facility | Maximum                
Debt Instrument [Line Items]                
Commitment fee 0.30%us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
             
Credit Agreement                
Debt Instrument [Line Items]                
Variable rate basis 1-month USD-LIBOR-BBA              
Adjusted libor rounding percentage             0.625%hae_AdjustedLiborRoundingPercentage
/ us-gaap_LongtermDebtTypeAxis
= hae_CreditAgreementMember
 
Credit Agreement | London Interbank Offered Rate (LIBOR) [Member]                
Debt Instrument [Line Items]                
Effective interest rate 1.5625%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_LongtermDebtTypeAxis
= hae_CreditAgreementMember
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember
             
Credit Agreement | London Interbank Offered Rate (LIBOR) [Member] | Minimum                
Debt Instrument [Line Items]                
Basis spread on variable rate         1.125%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_LongtermDebtTypeAxis
= hae_CreditAgreementMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember
     
Credit Agreement | London Interbank Offered Rate (LIBOR) [Member] | Maximum                
Debt Instrument [Line Items]                
Basis spread on variable rate         1.50%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_LongtermDebtTypeAxis
= hae_CreditAgreementMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember
     
Mortgage Obligation                
Debt Instrument [Line Items]                
Face amount of debt               10,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_MortgagesMember
Term of debt 180 months              
Long-term debt 851,000us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_MortgagesMember
1,906,000us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_MortgagesMember
           
Monthly principal and interest payments           $ 100,000us-gaap_DebtInstrumentPeriodicPayment
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_MortgagesMember
   
Stated percentage               8.41%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_MortgagesMember