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Pension Plans and Other Retirement Benefits - Additional Information (Detail) $ in Millions | 6 Months Ended
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Aug. 04, 2018 USD ($)
Defined Benefit Plan Disclosure [Line Items] |
Minimum percentage of pension liability | 80.00%
Unfunded Plan |
Defined Benefit Plan Disclosure [Line Items] |
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year | $ 2.5

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- Definition Minimum percentage of pension liability under pension protection act. + References No definition available. + Details
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- Definition Amount of contributions expected to be received by defined benefit plan from employer in next fiscal year following latest fiscal year. + 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 (g) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Details
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