Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2021

Earnings Per Share [Abstract]

Schedule of Weighted Average Number of Shares

Our weighted-average shares outstanding for the years ended December 31, 2021, 2020 and 2019 was as follows:

(in millions)	2021	2020	2019
Weighted-average number of shares of common stock outstanding - basic	95.5	94.9	99.5
Stock options	0.1	0.1	0.5
Restricted stock units	1.5	1.1	1.0
Adjusted weighted-average shares and assumed conversions - diluted	97.1	96.1	101.0