Share-based Compensation (Tables)

3 Months Ended

Mar. 31, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule about share-based compensation expense

The first quarter information is presented below:

	Three Months Ended March 31,
Share-based Compensation Expense	2018		2017
Stock options	$	1.7	$	1.5
Restricted stock	1.9		1.9
Restricted stock units issued to Directors	0.3		0.4
Performance shares	0.5		0.4
Equity-based long-term performance plan	0.1		—
Total share-based compensation expense	$	4.5	$	4.2