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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%

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- 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 + Details
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- 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 + Details
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