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Pension and Postretirement Health Care Plans - Schedule of Asset Category (Details)	12 Months Ended
	Jan. 30, 2016	Jan. 31, 2015
Defined Benefit Plan Disclosure [Line Items]
Current Targeted Allocation	100.00%
Actual Allocation	100.00%	100.00%
Domestic equity securities
Defined Benefit Plan Disclosure [Line Items]
Current Targeted Allocation	14.00%
Actual Allocation	16.00%	19.00%
International equity securities
Defined Benefit Plan Disclosure [Line Items]
Current Targeted Allocation	9.00%
Actual Allocation	10.00%	12.00%
Debt securities
Defined Benefit Plan Disclosure [Line Items]
Current Targeted Allocation	45.00%
Actual Allocation	44.00%	28.00%
Balanced funds
Defined Benefit Plan Disclosure [Line Items]
Current Targeted Allocation	23.00%
Actual Allocation	21.00%	31.00%
Other
Defined Benefit Plan Disclosure [Line Items]
Current Targeted Allocation	9.00%
Actual Allocation	9.00%	10.00%

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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- Definition

Target allocation of investments of this type to total plan assets presented on a weighted average basis.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (c)(i)
-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e2446-114920

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(i)
-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

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- Definition

Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e2446-114920

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(1)
-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

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