Summary of Significant Accounting Policies and Related Information - Revenue Recognition and Costs and Expenses (Details) - USD ($) $ in Thousands	12 Months Ended
Feb. 28, 2026	Feb. 28, 2025	Feb. 29, 2024
Product Liability Contingency [Line Items]
Customer incentives in SG&A	$ 30,600	$ 54,100	$ 44,700
Advertising costs in SG&A	132,500	134,800	106,800
Research and development expenses	54,000	53,900	56,500
Shipping and handling expenses in SG&A	970,596	993,259	1,056,390
Shipping and Handling
Product Liability Contingency [Line Items]
Shipping and handling expenses in SG&A	$ 148,500	$ 156,600	$ 156,700

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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