Delivery Costs (Details) - USD ($)	3 Months Ended		9 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2024	Oct. 31, 2023
Other Income and Expenses [Abstract]
Shipping and classroom delivery costs	$ 8,800,000	$ 8,600,000	$ 23,100,000	$ 22,000,000.0