Commitments And Contingencies (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
Jul. 28, 2012
Redfield Site [Member]
Commitments And Contingencies [Line Items]
Liability for on-site remediation, discounted rate	4.80%
On-site remediation liability, undiscounted basis	$ 16.1
Expected on-site remediation liability, year one	0.2
Expected on-site remediation liability, year two	0.2
Expected on-site remediation liability, year three	0.2
Expected on-site remediation liability, year four	0.2
Expected on-site remediation liability, year five	0.2
Expected on-site remediation liability, thereafter	15.1
Cumulative expenditures for both on-site and off-site remediation	25.2
Reserve for anticipated future remediation activities	7.7
Reserve for anticipated future remediation activities for off-site remediation	2.8
Reserve for anticipated future remediation activities for on-site remediation	4.9
Redfield Site Other Accrued Expense [Member]
Commitments And Contingencies [Line Items]
Reserve for anticipated future remediation activities	0.7
Redfield Site Other Liabilities [Member]
Commitments And Contingencies [Line Items]
Reserve for anticipated future remediation activities	7.0
New York Tannery And Two Associated Landfills [Member]
Commitments And Contingencies [Line Items]
Liability for on-site remediation, discounted rate	6.40%
Expected on-site remediation liability, year one	0.2
Expected on-site remediation liability, year two	0.2
Expected on-site remediation liability, year three	0.2
Expected on-site remediation liability, year four	0.2
Expected on-site remediation liability, year five	0.2
Expected on-site remediation liability, thereafter	1.1
Accrued liability	1.6
Accrued liability on an undiscounted basis	2.1
Other Contingency [Member]
Commitments And Contingencies [Line Items]
Number of associated landfills for which remediation efforts are completed	2
Continued maintenance and monitoring expiration year	2024
Accrued liability to complete the cleanup, maintenance and monitoring at all sites	9.3
Accrual for environmental loss contingencies in other accrued expenses	0.9
Accrual for environmental loss contingencies in other liabilities	8.4
Insured period for workers' compensation and casualty losses	1973 to 1989
Loss contingency, accrued liability	1.5
Contingent liability for remaining lease commitments related to former retail locations	$ 0.3

Accrual for environmental loss contingencies in other accrued expenses.

No definition available.

Name:	bws_AccrualForEnvironmentalLossContingenciesInOtherAccruedExpenses
Namespace Prefix:	bws_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Accrual for environmental loss contingencies in other liabilities.

+ References

No definition available.

+ Details

Name:	bws_AccrualForEnvironmentalLossContingenciesInOtherLiabilities
Namespace Prefix:	bws_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	bws_CommitmentsAndContingenciesLineItems
Namespace Prefix:	bws_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Cumulative environmental remediation expense.

+ References

No definition available.

+ Details

Name:	bws_CumulativeEnvironmentalRemediationExpense
Namespace Prefix:	bws_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Insured period for workers' compensation and casualty losses.

+ References

No definition available.

+ Details

Name:	bws_InsuredPeriodForWorkersCompensationAndCasualtyLosses
Namespace Prefix:	bws_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Loss contingency, other accrued liability.

+ References

No definition available.

+ Details

Name:	bws_LossContingencyOtherAccruedLiability
Namespace Prefix:	bws_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Remediation efforts completed for number of associated landfills.

+ References

No definition available.

+ Details

Name:	bws_RemediationEffortsCompletedForNumberOfAssociatedLandfills
Namespace Prefix:	bws_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Reserve for anticipated future remediation activities.

+ References

No definition available.

+ Details

Name:	bws_ReserveForAnticipatedFutureRemediationActivities
Namespace Prefix:	bws_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Reserve for anticipated future remediation activities for off site remediation.

+ References

No definition available.

+ Details

Name:	bws_ReserveForAnticipatedFutureRemediationActivitiesForOffSiteRemediation
Namespace Prefix:	bws_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Reserve for anticipated future remediation activities for on site Remediation.

+ References

No definition available.

+ Details

Name:	bws_ReserveForAnticipatedFutureRemediationActivitiesForOnSiteRemediation
Namespace Prefix:	bws_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Site contingency accrual on an undiscounted basis.

+ References

No definition available.

+ Details

Name:	bws_SiteContingencyAccrualOnUndiscountedBasis
Namespace Prefix:	bws_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Site contingency, continued maintenance and monitoring expiration year.

+ References

No definition available.

+ Details

Name:	bws_SiteContingencyContinuedMaintenanceAndMonitoringExpirationYear
Namespace Prefix:	bws_
Data Type:	invest:dateStringItemType
Balance Type:	na
Period Type:	duration

- Definition

Total costs accrued as of the balance sheet date for environmental loss contingencies.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 25

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6395460&loc=d3e13647-108346

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 5

-Paragraph 9

-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 410

-SubTopic 30

-Section 50

-Paragraph 7

-URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859

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

-Publisher AICPA

-Name Statement of Position (SOP)

-Number 96-1

-Paragraph 161

-Subparagraph 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.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14326-108349

+ Details

Name:	us-gaap_AccrualForEnvironmentalLossContingencies
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Undiscounted amount of the accrual for environmental loss contingencies maturing after the fifth fiscal year following the latest fiscal year.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 5.Y.Q1)

-URI http://asc.fasb.org/extlink&oid=6572457&loc=d3e149879-122751

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

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section Y

-Paragraph Question 1

+ Details

Name:	us-gaap_AccrualForEnvironmentalLossContingenciesUndiscountedDueAfterFifthYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Undiscounted amount of the accrual for environmental loss contingencies maturing in the fifth fiscal year following the latest fiscal year.

+ References

+ Details

Name:	us-gaap_AccrualForEnvironmentalLossContingenciesUndiscountedDueInFifthYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Undiscounted amount of the accrual for environmental loss contingencies maturing in the fourth fiscal year following the latest fiscal year.

+ References

+ Details

Name:	us-gaap_AccrualForEnvironmentalLossContingenciesUndiscountedDueInFourthYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Undiscounted amount of the accrual for environmental loss contingencies maturing in the second fiscal year following the latest fiscal year.

+ References

+ Details

Name:	us-gaap_AccrualForEnvironmentalLossContingenciesUndiscountedDueInSecondYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Undiscounted amount of the accrual for environmental loss contingencies maturing in the third fiscal year following the latest fiscal year.

+ References

+ Details

Name:	us-gaap_AccrualForEnvironmentalLossContingenciesUndiscountedDueInThirdYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Undiscounted amount of the accrual for environmental loss contingencies maturing in the next fiscal year following the latest fiscal year.

+ References

+ Details

Name:	us-gaap_AccrualForEnvironmentalLossContingenciesUndiscountedDueWithinOneYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amounts of material contingent liabilities, for example, but not limited to, product or environmental liabilities or litigation, that remain with the entity despite the disposal of the disposal group that is classified as a component of the entity.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14472-108349

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14435-108349

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14453-108349

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

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section Z

-Paragraph Question 2

-Subsection 5

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14326-108349

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12021-110248

Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section S99

-Paragraph 2

-Subparagraph (SAB TOPIC 5.Z.5 Q2)

-URI http://asc.fasb.org/extlink&oid=6361211&loc=d3e7384-122677

Reference 8: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 21

-URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5333-111524

Reference 9: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14394-108349

+ Details

Name:	us-gaap_DiscontinuedOperationAmountsOfMaterialContingentLiabilitiesRemaining
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Rate applied to the undiscounted amount of environmental loss contingencies at an individual site to arrive at the present value recorded as of the balance sheet date.

+ References

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

-Publisher AICPA

-Name Statement of Position (SOP)

-Number 96-1

-Paragraph 132, 161, 163

-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 450

-SubTopic 20

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 5.Y.Q1)

-URI http://asc.fasb.org/extlink&oid=6572457&loc=d3e149879-122751

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 410

-SubTopic 30

-Section 50

-Paragraph 7

-URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859

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

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section Y

+ Details

Name:	us-gaap_SiteContingencyAccrualDiscountRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Present value of the accrual for environmental loss contingencies at an individual site as of the balance sheet date (if the accrual qualifies for discounting).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 410

-SubTopic 30

-Section 50

-Paragraph 7

-URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859

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

-Publisher AICPA

-Name Statement of Position (SOP)

-Number 96-1

-Paragraph 132, 161, 163

-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_SiteContingencyAccrualPresentValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Estimated undiscounted amount of the accrual for the environmental loss contingencies at an individual site as of the balance sheet date.

+ References

+ Details

Name:	us-gaap_SiteContingencyAccrualUndiscountedAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant