Name:	hw_AdditionalShareBasedCompensationExpenseRemainderOfFiscalYear
Namespace Prefix:	hw_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Represents the amount accrued for awards.

No definition available.

Name:	hw_AmountAccruedForAwards
Namespace Prefix:	hw_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents the amount of free cash flow achieved under compensation arrangements.

No definition available.

Name:	hw_AmountOfOperatingBusinessUnitFreeCashFlowAchieved
Namespace Prefix:	hw_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents the amount of bonus accrued under the business unit free cash flow bonus plan.

No definition available.

Name:	hw_AmountOfOperatingBusinessUnitFreeCashFlowBonusPlanExpensesAccrued
Namespace Prefix:	hw_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Represents the amount of free cash flow performance goals under compensation arrangements.

No definition available.

Name:	hw_AmountOfOperatingBusinessUnitFreeCashFlowPerformanceGoals
Namespace Prefix:	hw_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Represents the average period for stock price.

No definition available.

Name:	hw_AverageStockPricePeriod
Namespace Prefix:	hw_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	hw_CommitmentsAndContingenciesLineItems
Namespace Prefix:	hw_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Represents the expense recorded for performance unit awards granted during the period.

No definition available.

Name:	hw_ExpenseRecordedForPerformanceUnitAwardsGranted
Namespace Prefix:	hw_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Represents the stock price as of the grant date.

No definition available.

Name:	hw_GrantDateStockPrice
Namespace Prefix:	hw_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

Represents the grants approved by the committee to Employees for cash settled stock appreciation rights.

No definition available.

Name:	hw_GrantsApprovedByCommitteeToEmployeesForCashSettledStockAppreciationRights
Namespace Prefix:	hw_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Represents the grants approved by the committee to Employees for cash settled stock appreciation rights remain outstanding.

No definition available.

Name:	hw_GrantsApprovedByCommitteeToEmployeesForCashSettledStockAppreciationRightsOutstanding
Namespace Prefix:	hw_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Represents the percentage of performance unit awards vested.

No definition available.

Name:	hw_PercentageOfPerformanceUnitAwardsVested
Namespace Prefix:	hw_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the percentage of the grant date stock price that must be achieved for the awards to vest.

No definition available.

Name:	hw_PercentageOfStockPriceOnGrantDate
Namespace Prefix:	hw_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the performance period of compensation arrangements.

No definition available.

Name:	hw_PerformancePeriodOperatingBusinessUnitFreeCashFlowBonusPlan
Namespace Prefix:	hw_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the threshold stock price which must be met for approved SARS grants to vest.

No definition available.

Name:	hw_ThresholdStockPrice
Namespace Prefix:	hw_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

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.

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