Commitments and Contingent Liabilities (Details 2)	12 Months Ended
	Mar. 02, 2019 USD ($)
Loss Contingencies [Line Items]
Proceeds received	$ 26,500
Deferred costs	5,600
Net benefit	20,900
October 2020
Loss Contingencies [Line Items]
Proceeds received	10,700
Deferred costs	3,000
Net benefit	7,700
May 2023
Loss Contingencies [Line Items]
Proceeds received	6,000
Deferred costs	900
Net benefit	5,100
July 2025
Loss Contingencies [Line Items]
Proceeds received	6,600
Deferred costs	900
Net benefit	5,700
August 2025
Loss Contingencies [Line Items]
Proceeds received	3,200
Deferred costs	800
Net benefit	$ 2,400