Operating Leases (Tables)

12 Months Ended

Dec. 31, 2018

Leases [Abstract]

Future Minimum Operating Lease Payments

Future minimum operating lease payments on non-cancelable leases, which are primarily related to buildings, are as follows (in millions):

Years Ended December 31,
2019	$	5.0
2020	4.5
2021	3.8
2022	3.1
2023	3.0
Thereafter	11.2
Total	$	30.6