Pensions And Other Postretirement Benefits (Schedule Of Actuarial Assumptions) (Details)	12 Months Ended
Oct. 26, 2012	Oct. 28, 2011
Net Periodic Benefit Cost [Member] \| Post-Retirement Medical Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	5.00%	5.50%
Initial medical trend rate	8.50%	9.00%
Ultimate medical trend rate	5.00%	5.00%
Years to ultimate rate	7 years	8 years
Benefit Obligation [Member] \| Post-Retirement Medical Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation, discount rate	4.00%	5.00%
Initial medical trend rate	8.00%	8.50%
Ultimate medical trend rate	5.00%	5.00%
Years to ultimate rate	6 years	7 years
Minimum [Member] \| Net Periodic Benefit Cost [Member] \| Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.25%	4.75%
Expected long-term return on plan assets	5.50%	4.75%
Average increase in compensation	2.25%	2.25%
Minimum [Member] \| Benefit Obligation [Member] \| Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation, discount rate	3.00%	4.25%
Benefit obligation, rate of compensation increase	2.25%	2.25%
Maximum [Member] \| Net Periodic Benefit Cost [Member] \| Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	5.50%	5.75%
Expected long-term return on plan assets	8.00%	8.00%
Average increase in compensation	4.00%	4.00%
Maximum [Member] \| Benefit Obligation [Member] \| Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation, discount rate	4.75%	5.50%
Benefit obligation, rate of compensation increase	3.75%	4.00%

The interest rate used to adjust for the time value of money for the plan.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 5

-Subparagraph j

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (k)(1)

-URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920

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- Definition

Expected rate of compensation increases (for pay-related plans).

+ References

+ Details

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Namespace Prefix:	us-gaap_
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Period Type:	instant

- Definition

The interest rate used to adjust for the time value of money.

+ References

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	duration

- Definition

An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (k)(3)

-URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 87

-Paragraph 264

-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 Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 5

-Subparagraph j

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 30

-Glossary Expected Long-Term Rate of Return on Plan Assets

-URI http://asc.fasb.org/extlink&oid=6512013

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Period Type:	duration

- Definition

Expected rate of compensation increases (for pay-related plans).

+ References

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The assumed health care cost trend rate for the next year used to measure the expected cost of benefits covered by the plan (gross eligible charges). This is based upon the annual rate of change in the cost of health care benefits currently provided by the postretirement benefit plan, due to factors other than changes in the composition of the plan population by age and dependency status.

+ References

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The ultimate trend rate for health care costs.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
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- Definition

The number of years when the ultimate health care cost trend rate is expected to be reached.

+ References

No definition available.

+ Details

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Namespace Prefix:	val_
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