Long-Term Debt (ABL Revolver Narrative) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
Jun. 30, 2011	Oct. 31, 2009
Asset-Based Revolving Loan Facility [Member] \| Maximum [Member]
Line of credit facility unused capacity commitment fee percentage	0.50%
Asset-Based Revolving Loan Facility [Member] \| Minimum [Member]
Line of credit facility unused capacity commitment fee percentage	0.25%
Prior to December 31, 2010 [Member]
Coverage ratio	1.0
30-day LIBOR Rate [Member]
Debt instrument variable rate basis	1.00%
Asset-Based Revolving Loan Facility [Member] \| (LIBOR) plus 2.25% [Member]
Debt instrument variable rate basis	2.25%
Asset-Based Revolving Loan Facility [Member] \| (LIBOR) plus 2.50% [Member]
Debt instrument variable rate basis	2.50%
Asset-Based Revolving Loan Facility [Member] \| (LIBOR) plus 2.75% [Member]
Debt instrument variable rate basis	2.75%
"Base Rate" plus 1.0% [Member]
Debt instrument variable rate basis	1.00%
"Base Rate" plus 1.25% [Member]
Debt instrument variable rate basis	1.25%
"Base Rate" plus 1.5% [Member]
Debt instrument variable rate basis	1.50%
Asset-Based Revolving Loan Facility [Member]
Maximum amount of available outstanding debt	$ 70.0	$ 70.0
Debt available under ABL Revolver	52.9
Secured letter of credit under terms of asset based revolving loan facility	16.1
Line of credit facility, interest rate at period end	3.00%
Asset-Based Revolving Loan Facility [Member] \| Swing Line Letter of Credit Facility [Member]
Maximum amount of available sub-line outstanding debt	35.0
Asset-Based Revolving Loan Facility [Member] \| Letter of Credit [Member]
Maximum amount of available swingline outstanding debt	$ 10.5
Federal Funds Rate [Member]
Debt instrument variable rate basis	0.50%

Coverage ratio.

Name:	hw_CoverageRatio
Namespace Prefix:	hw
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum Amount Of Sub-line For Letters Of Credit Under ABL

+ Details

Name:	hw_MaximumAmountOfSubLineForLettersOfCreditUnderAbl
Namespace Prefix:	hw
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Maximum Amount Of Sub-line For Swingline Facility Under ABL

+ Details

Name:	hw_MaximumAmountOfSubLineForSwinglineFacilityUnderAbl
Namespace Prefix:	hw
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Secured letter of credit under terms of asset based revolving loan facility.

+ Details

Name:	hw_SecuredLetterOfCreditUnderTermsOfAssetBasedRevolvingLoanFacility
Namespace Prefix:	hw
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate
Namespace Prefix:	us-gaap
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The effective interest rate at the end of the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 19, 22
-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
Namespace Prefix:	us-gaap
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 129
-Paragraph 2, 4
-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 SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 19, 22
-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ Details

Name:	us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
Namespace Prefix:	us-gaap
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration