Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2020

Stockholders' Equity Note [Abstract]

Schedule of shares purchased under the respective stock purchase plans

The following table shows shares purchased and value ($ in millions) under the respective stock purchase plans:

	Six Months Ended June 30,
	2020			2019
	Shares	Amount		Shares	Amount
2020 Stock Purchase Plan	59,577	$	3.6	—	$	—
2019 Stock Purchase Plan	—	—		31,268	1.9