Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Nov. 26, 2021	Nov. 27, 2020	Nov. 26, 2021	Nov. 27, 2020
Earnings Per Share [Abstract]
Net income	$ 9.6	$ 2.1	$ 6.2	$ 19.5
Adjustment for earnings attributable to participating securities	(0.3)	0.0	(0.2)	(0.4)
Net income used in calculating earnings per share	$ 9.3	$ 2.1	$ 6.0	$ 19.1
Adjustment for participating securities (in millions)	(3.2)	(2.9)	(3.0)	(2.5)
Earnings per share, basic	$ 0.08	$ 0.02	$ 0.05	$ 0.17
Earnings per share, diluted	$ 0.08	$ 0.02	$ 0.05	$ 0.17
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net Income (Loss) Available to Common Stockholders, Basic	$ 9.3	$ 2.1	$ 6.0	$ 19.1
Excluding
Earnings Per Share [Abstract]
Weighted Average Number of Shares Outstanding, Basic	112.8	114.8	114.4	114.9
Shares used in calculating diluted earnings per share (in millions)	113.1	115.1	114.8	115.2
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Weighted Average Number of Shares Outstanding, Basic	112.8	114.8	114.4	114.9
Weighted Average Number of Shares Outstanding, Diluted	113.1	115.1	114.8	115.2
Including
Earnings Per Share [Abstract]
Weighted Average Number of Shares Outstanding, Basic	116.0	117.7	117.4	117.4
Shares used in calculating diluted earnings per share (in millions)	116.3	118.0	117.8	117.7
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Weighted Average Number of Shares Outstanding, Basic	116.0	117.7	117.4	117.4
Weighted Average Number of Shares Outstanding, Diluted	116.3	118.0	117.8	117.7