Leases (Tables)

12 Months Ended

Dec. 31, 2019

Leases

Schedule of lease costs

		Year ended
	Classification	December 31, 2019
		(in millions)
Finance lease cost
Amortization of leased asset	Depreciation	$	5.3
Interest on lease liabilities	Interest expense		0.6
Operating lease cost(1)	Operating expense		9.8
Net lease cost		$	15.7

(1)  Includes short-term lease and variable costs of $1.6 million for the year ended December 31, 2019. The Company recognized rental expense under operating lease agreements of $9.2 million and $8.8 million for the years ended December 31, 2018 and 2017, respectively.

Schedule of lease maturities, ASU 2016-02, Finance Leases,

The following table presents aggregate lease maturities as of December 31, 2019:

	Finance Leases		Operating Leases		Total
	(in millions)
2020	$	8.9	$	7.7	$	16.6
2021		8.8		6.9		15.7
2022		5.1		6.1		11.2
2023		1.2		4.5		5.7
2024		0.5		3.1		3.6
Thereafter		—		6.8		6.8
Total lease payments		24.5		35.1		59.6
Less: interest		1.4		5.6		7.0
Present value of lease liabilities	$	23.1	$	29.5	$	52.6

Schedule of lease maturities, ASU 2016-02, Operating Leases

The following table presents aggregate lease maturities as of December 31, 2019:

	Finance Leases		Operating Leases		Total
	(in millions)
2020	$	8.9	$	7.7	$	16.6
2021		8.8		6.9		15.7
2022		5.1		6.1		11.2
2023		1.2		4.5		5.7
2024		0.5		3.1		3.6
Thereafter		—		6.8		6.8
Total lease payments		24.5		35.1		59.6
Less: interest		1.4		5.6		7.0
Present value of lease liabilities	$	23.1	$	29.5	$	52.6

Schedule of lease maturities, Finance Leases

The following table presents aggregate lease maturities as of December 31, 2018:

	Finance Leases		Operating Leases		Total
	(in millions)
2019	$	1.3	$	7.2	$	8.5
2020		1.3		5.4		6.7
2021		1.2		4.7		5.9
2022		0.9		4.0		4.9
2023		0.4		2.4		2.8
Thereafter		—		6.5		6.5
Total lease payments	$	5.1	$	30.2	$	35.3

Schedule of lease maturities, Operating Leases

The following table presents aggregate lease maturities as of December 31, 2018:

	Finance Leases		Operating Leases		Total
	(in millions)
2019	$	1.3	$	7.2	$	8.5
2020		1.3		5.4		6.7
2021		1.2		4.7		5.9
2022		0.9		4.0		4.9
2023		0.4		2.4		2.8
Thereafter		—		6.5		6.5
Total lease payments	$	5.1	$	30.2	$	35.3

Schedule of weighted average remaining lease term and discount rate

	Year ended
	December 31, 2019
Weighted-average remaining lease term (in years)
Finance Leases	3.0
Operating Leases	5.6
Weighted-average discount rate
Finance Leases	4.56	%
Operating Leases	6.21	%

Schedule of other information related to operating and finance leases

		Year ended
		December 31, 2019
		(in millions)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	—
Operating cash flows from finance leases		0.6
Financing cash flows from finance leases		5.0
Right-of-use assets obtained in exchange for lease obligations:
Finance leases		23.5
Operating leases		10.8