Annual Unvested Stock Option Forfeiture Rate

No definition available.

Name:	hae_AnnualUnvestedStockOptionForfeitureRate
Namespace Prefix:	hae_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum Number of Years from Grant Date That Options Expire

+ References

No definition available.

+ Details

Name:	hae_MaximumNumberOfYearsFromGrantDateThatOptionsExpire
Namespace Prefix:	hae_
Data Type:	us-types:durationStringItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of Equity Instruments Other than Options Counted Against Maximum Number of Award Shares for Every Share Granted

+ References

No definition available.

+ Details

Name:	hae_NumberOfEquityInstrumentsOtherThanOptionsCountedAgainstMaximumNumberOfAwardSharesForEveryShareGranted
Namespace Prefix:	hae_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of Members on Board of Directors

+ References

No definition available.

+ Details

Name:	hae_NumberOfMembersOnBoardOfDirectors
Namespace Prefix:	hae_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of Options Counted Against Maximum Number of Award Shares

+ References

No definition available.

+ Details

Name:	hae_NumberOfOptionsCountedAgainstMaximumNumberOfAwardShares
Namespace Prefix:	hae_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of Purchase Periods

+ References

No definition available.

+ Details

Name:	hae_NumberOfPurchasePeriods
Namespace Prefix:	hae_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of Purchase Price for Shares of Common Stock at Fair Market Value

+ References

No definition available.

+ Details

Name:	hae_PercentageOfPurchasePriceForSharesOfCommonStockAtFairMarketValue
Namespace Prefix:	hae_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of Shares Purchased Through Payroll Deductions

+ References

No definition available.

+ Details

Name:	hae_PercentageOfSharesPurchasedThroughPayrollDeductions
Namespace Prefix:	hae_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Period After Grant that Awards Become Exercisable for Non-Employee Directors

+ References

No definition available.

+ Details

Name:	hae_PeriodAfterGrantThatAwardsBecomeExercisableForNonEmployeeDirectors
Namespace Prefix:	hae_
Data Type:	us-types:durationStringItemType
Balance Type:	na
Period Type:	duration

- Definition

Period in Which Awards Become Exercisable for Employees

+ References

No definition available.

+ Details

Name:	hae_PeriodInWhichAwardsBecomeExercisableForEmployees
Namespace Prefix:	hae_
Data Type:	us-types:durationStringItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted Average Grant Date Fair Value of Six-Month Option Inherent in Purchase Plan

+ References

No definition available.

+ Details

Name:	hae_WeightedAverageGrantDateFairValueOfSixMonthOptionInherentInPurchasePlan
Namespace Prefix:	hae_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- 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 2

-Subparagraph (h)(1)(i)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph g(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: 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 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

-Section F

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph 64

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: 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=6793087&loc=d3e301413-122809

+ Details

Name:	us-gaap_AllocatedShareBasedCompensationExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

+ References

+ Details

Name:	us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

+ Details

Name:	us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

+ References

+ Details

Name:	us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of excess tax benefit (tax deficiency) that arises when compensation cost from non-qualified share-based compensation recognized on the entity's tax return exceeds (is less than) compensation cost from equity-based compensation recognized in financial statements. Excess tax benefit (tax deficiency) increases (decreases) net cash provided by financing activities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 20

-Section 55

-Paragraph 24

-URI http://asc.fasb.org/extlink&oid=6576910&loc=d3e11374-113907

+ Details

Name:	us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- 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

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- 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

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The total accumulated difference between fair values of underlying shares on dates of exercise and exercise price on options which were exercised (or share units converted) into shares during the reporting period under the plan.

+ References

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(1)(b)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: 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 3: 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

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(1)(a)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

CAPITAL STOCK (Narrative) (Details) (USD $)	12 Months Ended
CAPITAL STOCK (Narrative) (Details) (USD $)	Mar. 30, 2013	Mar. 31, 2012	Apr. 02, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense recognized	$ 11,000,000	$ 9,300,000	$ 10,800,000
Income tax benefit recognized related to stock-based compensation	3,500,000	2,700,000	3,700,000
Excess tax benefit on exercise of stock options	4,101,000	1,433,000	3,124,000
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding (in shares)	4,069,758	4,847,134
Total intrinsic value of options exercised	20,900,000	8,500,000	26,500,000
Total unrecognized compensation cost related to non vested awards	12,100,000
Total unrecognized compensation cost related to non vested stock options, weighted average period of recognition (in years)	2 years 6 months
Weighted average grant date fair value of options granted (in dollars per share)	$ 9.76	$ 8.16	$ 7.92
Annual unvested stock option forfeiture rate (as a percent)	8.00%	8.00%
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized compensation cost related to non vested awards	0
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity instruments other than options outstanding (in shares)	356,419	321,526
Total unrecognized compensation cost related to non vested awards	$ 8,300,000
Total unrecognized compensation cost related to non vested stock options, weighted average period of recognition (in years)	2 years 7 months 21 days
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
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
Options outstanding (in shares)	192,978
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
Maximum number of shares available for award (in shares)	15,024,920
Maximum number of shares available for grant (in shares)	6,596,195
Number of equity instruments other than options counted against maximum number of award shares for every share granted (in shares)	3.26
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
Number of options counted against maximum number of award shares for every share option issued (in shares)	1
Options outstanding (in shares)	3,876,780
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)	354,589
Incentive Compensation Plan 2005 [Member] \| Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity instruments other than options outstanding (in shares)	0
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
Number of purchase periods (in purchase periods)	2
Percentage of purchase price for shares of common stock at fair market value (as a percent)	85.00%
Weighted average grant date fair value of the six-month option inherent in the Purchase Plan (in dollars per share)	$ 8.50	$ 7.10	$ 5.87
Employee Stock Purchase Plan [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of shares purchased through payroll deductions (as a percent)	2.00%
Employee Stock Purchase Plan [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of shares purchased through payroll deductions (as a percent)	15.00%