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Earnings Per Share (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended		6 Months Ended		7 Months Ended
Earnings Per Share (Details) - USD ($) $ in Millions	Sep. 06, 2022	Jul. 30, 2022	Jul. 31, 2021	Jul. 30, 2022	Jul. 31, 2021	Sep. 06, 2022
Earnings (Loss) Per Share
Antidilutive securities excluded from computation of earnings per share, amount		16,667	16,667	16,667	16,667
Stock Repurchase Program
Earnings (Loss) Per Share
Treasury stock, shares, acquired (in shares)	538,000				0	2,300,000
Treasury Stock, Value, Acquired, Cost Method	$ 13.9					$ 55.6
Stock Repurchase Program, 2019
Earnings (Loss) Per Share
Treasury stock, shares, acquired (in shares)		1,083,496
Stock repurchase program, number of shares authorized to be repurchased		5,000,000.0		5,000,000.0
Stock Repurchase Program, 2022
Earnings (Loss) Per Share
Treasury stock, shares, acquired (in shares)				1,784,820
Stock repurchase program, number of shares authorized to be repurchased		7,000,000.0		7,000,000.0