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Weighted Average Assumptions for Obligation (Detail)	Jan. 30, 2016	Jan. 31, 2015
Funded Plan
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.80%	4.00%
Rate of compensation increase	4.00%	4.00%
Unfunded Plan
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.20%	3.70%
Rate of compensation increase	6.00%	6.00%

X

- Definition

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

+ 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)(1)
-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

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X

- Definition

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

+ 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)(2)
-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

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- Definition

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+ References

No definition available.

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