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RETIREMENT PLANS (Narrative) (Details) (USD $) | 12 Months Ended
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Mar. 28, 2015 | Mar. 29, 2014 | Mar. 30, 2013
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Benefit obligation, plan funded by company | $ 9,200,000 hae_DefinedBenefitPlanBenefitObligationPlanFundedbyCompany | $ 7,400,000 hae_DefinedBenefitPlanBenefitObligationPlanFundedbyCompany |
Benefit obligation | (40,567,000)us-gaap_DefinedBenefitPlanBenefitObligation | (32,621,000)us-gaap_DefinedBenefitPlanBenefitObligation | (30,126,000)us-gaap_DefinedBenefitPlanBenefitObligation
Accumulated benefit obligation | 34,900,000 us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation | 30,900,000 us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation |
Fair value of plan assets | 23,165,000 us-gaap_DefinedBenefitPlanFairValueOfPlanAssets | 19,981,000 us-gaap_DefinedBenefitPlanFairValueOfPlanAssets | 19,577,000 us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
Amount expected to be amortized from accumulated other comprehensive loss in next fiscal year | 600,000 us-gaap_DefinedBenefitPlanAmountToBeAmortizedFromAccumulatedOtherComprehensiveIncomeLossNextFiscalYear |  |
Subsidiaries [Member] |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Company contributions | 1,000,000 us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 800,000 us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 2,400,000 us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Savings Plus Plan [Member] |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Company contributions | $ 5,800,000 us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount / us-gaap_DefinedContributionPlanNameAxis = hae_SavingsPlusPlanMember | $ 6,200,000 us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount / us-gaap_DefinedContributionPlanNameAxis = hae_SavingsPlusPlanMember | $ 4,900,000 us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount / us-gaap_DefinedContributionPlanNameAxis = hae_SavingsPlusPlanMember

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- Definition Defined Benefit Plan, Benefit Obligation, Plan Funded by Company + References No definition available. + Details
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- Definition For defined benefit pension plans, the actuarial present value of benefits (whether vested or nonvested) attributed by the pension benefit formula to employee service rendered before a specified date and based on employee service and compensation (if applicable) before that date. The accumulated benefit obligation differs from the projected benefit obligation in that it includes no assumption about future compensation levels. For plans with flat-benefit or nonpay-related pension benefit formulas, the accumulated benefit obligation and the projected benefit obligation are the same. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Accumulated Benefit Obligation -URI http://asc.fasb.org/extlink&oid=6503844 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition Amount included in accumulated other comprehensive income (AOCI) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position, including gain (loss), prior service cost (credit), and transition asset (obligation). + References No definition available. + Details
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- Definition 1) For defined benefit pension plans, the benefit obligation is the projected benefit obligation, which is the actuarial present value as of a date of all benefits attributed by the pension benefit formula to employee service rendered prior to that date. 2) For other postretirement defined benefit plans, the benefit obligation is the accumulated postretirement benefit obligation, which is the actuarial present value of benefits attributed to employee service rendered to a particular date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Projected Benefit Obligation -URI http://asc.fasb.org/extlink&oid=6522206 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Accumulated Postretirement Benefit Obligation -URI http://asc.fasb.org/extlink&oid=6503904 + Details
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- Definition Assets, usually stocks, bonds, and other investments, that have been segregated and restricted (usually in a trust) to provide benefits, at their fair value as of the measurement date. Plan assets include amounts contributed by the employer (and by employees for a contributory plan) and amounts earned from investing the contributions, less benefits paid. If a plan has liabilities other than for benefits, those non-benefit obligations may be considered as reductions of plan assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Section 35 -Paragraph 50 -URI http://asc.fasb.org/extlink&oid=49178875&loc=d3e12355-114930 + Details
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- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. + References No definition available. + Details
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