Other Commitments and Contingencies - Schedule of Expected Cash Flows for the Postretirement Medical Plan (Details) $ in Thousands	Feb. 02, 2019 USD ($)
Expected Benefit Payments, net of retiree contributions
2020	$ 44,541
2021	52,376
2022	57,737
2023	58,220
2024	49,140
Next 5 years	$ 253,088

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Amount of benefits for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following latest fiscal year.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920

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Amount of benefits for defined benefit plan expected to be paid in next fiscal year following latest fiscal year.

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