Leases (Tables)

6 Months Ended

Jun. 30, 2020

Leases [Abstract]

Lease, Cost

The components of lease expense were as follows: 

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Operating lease cost:
Amortization of right-of-use assets	$	1.0	$	0.7	$	2.1	$	1.3
Interest on lease liabilities	0.3		0.2		0.6		0.3
Total operating lease cost	$	1.3	$	0.9	$	2.7	$	1.6

Schedule of Leases Supplemental Balance Sheets

Supplemental balance sheet information related to leases was as follows:

(In millions, except lease term and discount rate)	Balance Sheet location	June 30, 2020			December 31, 2019
Operating lease right-of-use assets	Other assets	$	24.5		$	24.7
Operating lease liabilities, current portion	Other current liabilities	4.5			3.6
Operating lease liabilities	Other liabilities	21.6			22.1
Total operating lease liabilities		$	26.1		$	25.7
Operating leases:
Weighted average remaining lease term (years)		7.5			8.0
Weighted average discount rate		4.2		%	4.2		%