Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Lease Commitments

Our total minimum future lease commitments under operating leases as of December 31, 2018 are as follows:

(In millions)
Year	Minimum Future Lease Commitments
2019	$	1.8
2020	1.5
2021	1.1
2022	0.5
2023	—
Total	$	4.9