Condensed Consolidated Statement of Shareholders' Equity Statement - USD ($) $ in Millions		Total	Performance Units [Member]	Restricted Stock [Member]
Other comprehensive income (loss)		$ (14.5)
Retained earnings, beginning of period at Feb. 22, 2019		880.7
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		78.3
Dividends paid		(34.5)
Retained earnings, end of period at Aug. 23, 2019		924.5
Accumulated other comprehensive income (loss), beginning of period at Feb. 22, 2019		(47.3)
Accumulated Other Comprehensive Income (Loss), End of Period at Aug. 23, 2019		(61.8)
Paid-in capital, beginning of period at Feb. 22, 2019	[1]	16.4
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issuances	[1]	0.4
Common stock repurchases	[1]	(5.9)
Performance units and restricted stock units expense		11.6
Other	[1]	4.0
Paid-in capital, end of period at Aug. 23, 2019	[1]	$ 26.5
Common shares outstanding, beginning of period at Feb. 22, 2019		116,766,610
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issuances		22,872
Common stock repurchases		(347,256)
Stock Issued During Period, Shares, New Issues			0	801,734
Common shares outstanding, end of period at Aug. 23, 2019		117,243,960
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Repurchased Retained Earnings, Value [Line Items]		$ 0.0
Other comprehensive income (loss)		(6.7)
Retained earnings, beginning of period at May. 24, 2019		881.2
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		60.5
Dividends paid		(17.2)
Retained earnings, end of period at Aug. 23, 2019		924.5
Accumulated other comprehensive income (loss), beginning of period at May. 24, 2019		(55.1)
Accumulated Other Comprehensive Income (Loss), End of Period at Aug. 23, 2019		(61.8)
Paid-in capital, beginning of period at May. 24, 2019	[1]	25.9
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issuances	[1]	0.2
Common stock repurchases	[1]	(1.9)
Performance units and restricted stock units expense		2.3
Other	[1]	0.0
Paid-in capital, end of period at Aug. 23, 2019	[1]	$ 26.5
Common shares outstanding, beginning of period at May. 24, 2019		117,313,755
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issuances		11,475
Common stock repurchases		(117,953)
Stock Issued During Period, Shares, New Issues			0	36,683
Common shares outstanding, end of period at Aug. 23, 2019		117,243,960
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Repurchased Retained Earnings, Value [Line Items]		$ 0.0
Stockholders' Equity Attributable to Parent		889.2
Stockholders' Equity Attributable to Parent		970.4
Other comprehensive income (loss)		13.0
Retained earnings, beginning of period at Feb. 28, 2020		1,011.3
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		17.4
Dividends paid		(20.1)
Retained earnings, end of period at Aug. 28, 2020		1,002.7
Accumulated other comprehensive income (loss), beginning of period at Feb. 28, 2020		(69.3)
Accumulated Other Comprehensive Income (Loss), End of Period at Aug. 28, 2020		(56.3)
Paid-in capital, beginning of period at Feb. 28, 2020	[1]	28.4
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issuances	[1]	0.4
Common stock repurchases	[1]	(36.4)
Performance units and restricted stock units expense		9.3
Other	[1]	0.0
Paid-in capital, end of period at Aug. 28, 2020	[1]	$ 1.7
Common shares outstanding, beginning of period at Feb. 28, 2020		117,202,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issuances		26,890
Common stock repurchases		(3,244,594)
Stock Issued During Period, Shares, New Issues			174,888	617,362
Common shares outstanding, end of period at Aug. 28, 2020		114,776,546
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Repurchased Retained Earnings, Value [Line Items]		$ (5.9)
Other comprehensive income (loss)		21.6
Retained earnings, beginning of period at May. 29, 2020		958.9
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		55.5
Dividends paid		(11.7)
Retained earnings, end of period at Aug. 28, 2020		1,002.7
Accumulated other comprehensive income (loss), beginning of period at May. 29, 2020		(77.9)
Accumulated Other Comprehensive Income (Loss), End of Period at Aug. 28, 2020		(56.3)
Paid-in capital, beginning of period at May. 29, 2020	[1]	0.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issuances	[1]	0.2
Common stock repurchases	[1]	0.0
Performance units and restricted stock units expense		1.5
Other	[1]	0.0
Paid-in capital, end of period at Aug. 28, 2020	[1]	$ 1.7
Common shares outstanding, beginning of period at May. 29, 2020		114,759,549
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issuances		13,941
Common stock repurchases		(205)
Stock Issued During Period, Shares, New Issues			0	3,261
Common shares outstanding, end of period at Aug. 28, 2020		114,776,546
Stockholders' Equity Attributable to Parent		$ 948.1

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