Delivery Costs (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jul. 31, 2024	Jul. 31, 2023	Jul. 31, 2024	Jul. 31, 2023
Other Income and Expenses [Abstract]
Shipping and classroom delivery costs	$ 10,100,000	$ 10,000,000.0	$ 14,300,000	$ 13,300,000