Note 8 - Transaction and Balances with Related Parties (Details Textual) - Co-Chairmen [Member] - USD ($) $ in Millions	12 Months Ended
Feb. 28, 2004	Feb. 25, 2017	Feb. 27, 2016
Proceeds Received on Termination of Life Insurance Policy Agreement	$ 5.4
Accrued Expenses and Other Current Liabilities [Member]
Benefits Payable on Termination of Life Insurance Policy Agreement		$ 4.2	$ 4.2

The agreed upon amount of benefits to be paid at a future date to the Company's Co-Chairmen as a substitution for the life insurance policies that were terminated. Amount is included in accrued expenses and other current liabilities.

No definition available.

Name:	bbby_BenefitsPayableOnTerminationOfLifeInsurancePolicyAgreement
Namespace Prefix:	bbby_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant