Condensed Consolidated Statement of Shareholders' Equity Statement - USD ($) $ in Millions		Total	Performance Units [Member]	Restricted Stock [Member]
Retained earnings, beginning of period at Feb. 23, 2018		$ 819.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		17.0
Dividends paid ($0.145 and $0.135 per share)		(16.3)
Retained earnings, end of period at May. 25, 2018		819.7
Accumulated other comprehensive income (loss), beginning of period at Feb. 23, 2018		(10.3)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Other comprehensive income (loss)		(12.9)
Accumulated Other Comprehensive Income (Loss), End of Period at May. 25, 2018		(23.2)
Paid-in capital, beginning of period at Feb. 23, 2018	[1]	4.6
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issuances	[1]	0.2
Common stock repurchases	[1]	(3.4)
Performance units and restricted stock units expense	[1]	9.0
Other	[1]	2.2
Paid-in capital, end of period at May. 25, 2018	[1]	$ 12.6
Common shares outstanding, beginning of period at Feb. 23, 2018		116,157,443
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issuances		13,689
Common stock repurchases		(236,102)
Stock Issued During Period, Shares, New Issues			209,353	535,652
Common shares outstanding, end of period at May. 25, 2018		116,680,035
Stockholders' Equity Attributable to Parent		$ 809.1
Stockholders' Equity Attributable to Parent		849.8
Retained earnings, beginning of period at Feb. 22, 2019		880.7
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		17.8
Dividends paid ($0.145 and $0.135 per share)		(17.3)
Retained earnings, end of period at May. 24, 2019		881.2
Accumulated other comprehensive income (loss), beginning of period at Feb. 22, 2019		(47.3)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Other comprehensive income (loss)		(7.8)
Accumulated Other Comprehensive Income (Loss), End of Period at May. 24, 2019		(55.1)
Paid-in capital, beginning of period at Feb. 22, 2019	[1]	16.4
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issuances	[1]	0.2
Common stock repurchases	[1]	(4.0)
Performance units and restricted stock units expense	[1]	9.3
Other	[1]	4.0
Paid-in capital, end of period at May. 24, 2019	[1]	$ 25.9
Common shares outstanding, beginning of period at Feb. 22, 2019		116,766,610
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issuances		11,397
Common stock repurchases		(229,303)
Stock Issued During Period, Shares, New Issues			0	765,051
Common shares outstanding, end of period at May. 24, 2019		117,313,755
Stockholders' Equity Attributable to Parent		$ 852.0

[1] Shares of our Class A and Class B common stock have no par value; thus, there are no balances for common stock.