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Pension and Retirement Savings Plan - Schedule of Expected Benefit Payments of Pension Plans (Details) $ in Thousands	Jan. 31, 2019 USD ($)
Defined Benefit Plan Estimated Future Benefit Payments [Abstract]
2020	$ 696
2021	709
2022	717
2023	727
2024	740
2025-2030	$ 3,783

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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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
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-Section 50
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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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Amount of benefits for defined benefit plan expected to be paid in fifth fiscal year following latest fiscal year.

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

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-Publisher FASB
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Amount of benefits for defined benefit plan expected to be paid in third fiscal year following latest fiscal year.

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

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