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Retirement Benefit Plans (Tables)
12 Months Ended
Jan. 31, 2020
Retirement Benefits [Abstract]  
Schedule of Expected Benefit Payments
Estimated benefit payments over the next 10 fiscal years are as follows:
(in millions)
Pension Benefits
2021
$
2.3

2022
2.1

2023
2.1

2024
2.1

2025
2.9

2026-2030
12.4

Total
$
23.9