RETIREMENT PLANS (Schedule of Activity Under Defined Benefit Plans) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Mar. 28, 2015	Mar. 29, 2014	Mar. 30, 2013
Change in Benefit Obligation:
Benefit Obligation, beginning of year	$ (32,621)	$ (30,126)
Service cost	(2,979)us-gaap_DefinedBenefitPlanServiceCost	(3,351)us-gaap_DefinedBenefitPlanServiceCost	(2,759)us-gaap_DefinedBenefitPlanServiceCost
Interest cost	(686)us-gaap_DefinedBenefitPlanInterestCost	(623)us-gaap_DefinedBenefitPlanInterestCost	(639)us-gaap_DefinedBenefitPlanInterestCost
Benefits paid	4,902	4,474
Actuarial (loss)/gain	(6,883)	55
Employee and plan participants contribution	(2,978)	(2,963)
Plan Amendments	114	419
Foreign currency changes	564	(506)
Benefit obligation, end of year	(40,567)	(32,621)	(30,126)
Change in Plan Assets:
Fair value of plan assets, beginning of year	19,981	19,577
Company contributions	2,112	2,241
Benefits paid	(4,621)us-gaap_DefinedBenefitPlanBenefitsPaid	(4,641)us-gaap_DefinedBenefitPlanBenefitsPaid
Gain/(Loss) on plan assets	506	100
Employee and plan participants contributions	2,851	3,087
Employee and plan participants contributions	2,978	2,963
Foreign currency changes	2,336	(383)
Fair value of Plan Assets, end of year	23,165	19,981	19,577
Funded Status	(17,402)	(12,640)
Unrecognized net actuarial loss/(gain)	11,096hae_UnrecognizedNetActuarialLossGain	5,899hae_UnrecognizedNetActuarialLossGain
Unrecognized initial obligation	64	94
Unrecognized prior service cost	(459)hae_UnrecognizedPriorServiceCost	(422)hae_UnrecognizedPriorServiceCost
Net amount recognized	$ (6,701)	$ (7,069)

Defined Benefit Plan Benefits Paid From Plan Assets And Other Sources

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Defined Benefit Plan, Contributions by Employee Plan Participants

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Defined Benefit Plan Unrecognized Initial Obligation

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Unrecognized Net Actuarial Loss/(Gain)

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Unrecognized Prior Service Cost

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Amount of gain (loss) related to change in benefit obligation resulting from changes in actuarial assumptions, for example, but not limited to, interest, mortality, employee turnover, salary, and temporary deviation from the substantive plan.

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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.

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The amount of payments made for which participants are entitled under a pension plan, including pension benefits, death benefits, and benefits due on termination of employment. Also includes payments made under a postretirement benefit plan, including prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. This item represents a periodic decrease to the plan obligations and a decrease to plan assets.

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The increase in the fair value of plan assets from contributions made by the employer.

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The amount of contributions made by plan participants. This item represents a periodic increase to the plan obligation and an increase to plan assets.

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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.

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The amount of increase or decrease in the fair value of plan assets during the reporting period.

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Amount of gain (loss) from foreign currency exchange rate changes for benefit obligation for plans of a foreign operation whose functional currency is not the reporting currency.

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The amount of increase or decrease in plan assets attributed to foreign currency changes. The effects of foreign currency exchange rate changes that are to be disclosed are those applicable to plans of a foreign operation whose functional currency is not the reporting currency.

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The funded status is measured as the difference between the fair value of plan assets and the benefit obligation. Will normally be the same as the net Defined Benefit Plan, Amounts Recognized in Balance Sheet, Total.

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The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time.

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If aggregate disclosures are presented, the aggregate pension accumulated benefit obligation for pension plans with accumulated benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented.

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The amount of increase or decrease due to a change in the terms of an existing plan or the initiation of a new plan. A plan amendment may increase or decrease benefits, including those attributed to years of service already rendered.

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The actuarial present value of benefits attributed by the pension benefit formula to services rendered by employees during the period. The portion of the expected postretirement benefit obligation attributed to employee service during the period. The service cost component is a portion of the benefit obligation and is unaffected by the funded status of the plan.

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