Weighted Average Shares Outstanding (Tables)

3 Months Ended

Mar. 31, 2020

Earnings Per Share [Abstract]

Schedule of Weighted Average Shares Outstanding

The effects of potential common stock were determined using the treasury stock method. Weighted average shares outstanding are shown below:

	Three months ended March 31,
	2020	2019
Basic shares outstanding	104.3	103.6
Effect of potential common stock:
Common stock awards	1.0	1.1
Diluted shares outstanding	105.3	104.7