Pension and Retirement Savings Plan - Components of Net Periodic Pension Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2023
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]	Selling, General and Administrative Expense	Selling, General and Administrative Expense	Selling, General and Administrative Expense
Service cost	$ 1,146	$ 1,069	$ 1,138
Interest cost	505	593	57
Expected return on assets	(998)	(754)	(439)
Actuarial gain recognized due to partial settlement	(114)	0	(105)
Amortization of prior service costs	68	76	71
Net Periodic Pension Cost	$ 607	$ 984	$ 722