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Summary of Significant Accounting Policies and Related Data (Details Textual) $ in Thousands		12 Months Ended
	Apr. 22, 2022 USD ($) shares	Feb. 26, 2022 USD ($) business shares	Feb. 27, 2021 USD ($) shares	Feb. 29, 2020 USD ($) shares
Accounting Policies [Line Items]
Fixed-price contracts, number of businesses \| business		3
Fixed-price contracts, percentage of total revenue		38.00%
Number of businesses \| business		1
Percentage of total revenue		20.00%
Research and development expense		$ 17,300	$ 15,300	$ 16,600
Share repurchases, shares \| shares		2,309,000	1,177,000	687,000
Share repurchases, value		$ 100,414	$ 32,878	$ 25,140
Intangible Asset Life Minimum		18 months
Intangible Asset Life Maximum		30 years
Other than Temporary Impairment Losses, Investments		$ 3,000
Impairment Expense		36,735
Asset impairment on property, plant and equipment		$ 21,497	1,400	0
Building and Building Improvements [Member] \| Minimum
Accounting Policies [Line Items]
Estimated useful lives		10 years
Building and Building Improvements [Member] \| Maximum
Accounting Policies [Line Items]
Estimated useful lives		25 years
Machinery and Equipment [Member] \| Minimum
Accounting Policies [Line Items]
Estimated useful lives		3 years
Machinery and Equipment [Member] \| Maximum
Accounting Policies [Line Items]
Estimated useful lives		10 years
Furniture and Fixtures [Member] \| Minimum
Accounting Policies [Line Items]
Estimated useful lives		3 years
Furniture and Fixtures [Member] \| Maximum
Accounting Policies [Line Items]
Estimated useful lives		7 years
Cost of Sales
Accounting Policies [Line Items]
Research and development expense		$ 9,500	9,900	8,000
Selling, general and administrative expenses
Accounting Policies [Line Items]
Advertising expense		$ 1,200	$ 1,100	$ 1,400
Subsequent Event
Accounting Policies [Line Items]
Share repurchases, shares \| shares	1,571,139
Share repurchases, value	$ 74,300
Recognized at shipment
Accounting Policies [Line Items]
Percentage of total revenue		42.00%