Property, Plant And Equipment Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 25, 2022	Feb. 26, 2021	Feb. 28, 2020
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net	$ 392.8	$ 410.8
Depreciation	67.5	68.8	$ 73.2
Construction in Progress, Estimated Cost to Complete	30.4	26.9
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net	160.9	187.9
Building and Building Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net	$ 89.2	$ 99.7