Weighted Average Shares Outstanding (Tables)

9 Months Ended

Sep. 30, 2021

Earnings Per Share [Abstract]

Schedule of Weighted Average Shares Outstanding

Weighted average shares outstanding are shown below:

	Three months ended September 30,		Nine months ended September 30,
	2021	2020	2021	2020
Basic shares outstanding	105.4	104.7	105.2	104.5
Effect of potential common stock:
Common stock awards	1.3	1.2	1.2	1.1
Diluted shares outstanding	106.7	105.9	106.4	105.6