Leases (Tables)

6 Months Ended

Jun. 30, 2019

Leases

Schedule of lease costs

			Three months ended	Six months ended
	Classification		June 30, 2019	June 30, 2019
		(in millions)
Finance lease cost
Amortization of leased asset	Depreciation	$	1.4	$	1.9
Interest on lease liabilities	Interest expense		0.2		0.2
Operating lease cost (1)	Operating expense		2.5		4.4
Net lease cost		$	4.1	$	6.5

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

			Three months ended	Six months ended
	Classification		June 30, 2019	June 30, 2019
		(in millions)
Finance lease cost
Amortization of leased asset	Depreciation	$	1.4	$	1.9
Interest on lease liabilities	Interest expense		0.2		0.2
Operating lease cost (1)	Operating expense		2.5		4.4
Net lease cost		$	4.1	$	6.5

(1) Includes short-term lease and variable lease costs of $0.5 million for both the three and six months ended June 30, 2019.

The following table presents aggregate lease maturities as of June 30, 2019:  

	Finance Leases		Operating Leases		Total
	(in millions)
Remaining six months of 2019	$	4.5	$	3.9	$	8.4
2020		4.3		6.8		11.1
2021		3.3		6.0		9.3
2022		0.6		5.1		5.7
2023		0.1		3.6		3.7
Thereafter		—		7.1		7.1
Total Lease Payments		12.8		32.5		45.3
Less: Interest		(0.7)		(5.3)		(6.0)
Present value of lease liabilities	$	12.1	$	27.2	$	39.3

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

			Three months ended	Six months ended
	Classification		June 30, 2019	June 30, 2019
		(in millions)
Finance lease cost
Amortization of leased asset	Depreciation	$	1.4	$	1.9
Interest on lease liabilities	Interest expense		0.2		0.2
Operating lease cost (1)	Operating expense		2.5		4.4
Net lease cost		$	4.1	$	6.5

(1) Includes short-term lease and variable lease costs of $0.5 million for both the three and six months ended June 30, 2019.

The following table presents aggregate lease maturities as of June 30, 2019:  

	Finance Leases		Operating Leases		Total
	(in millions)
Remaining six months of 2019	$	4.5	$	3.9	$	8.4
2020		4.3		6.8		11.1
2021		3.3		6.0		9.3
2022		0.6		5.1		5.7
2023		0.1		3.6		3.7
Thereafter		—		7.1		7.1
Total Lease Payments		12.8		32.5		45.3
Less: Interest		(0.7)		(5.3)		(6.0)
Present value of lease liabilities	$	12.1	$	27.2	$	39.3

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

	June 30, 2019
Weighted-average remaining lease term (in years)
Finance Leases	3.0
Operating Leases	5.5
Weighted-average discount rate
Finance Leases	4.91	%
Operating Leases	6.29	%

Schedule of other information related to operating and finance leases

		Six months ended
		June 30, 2019
		(in millions)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	3.0
Financing cash flows from finance leases		1.7
Right-of-use assets obtained in exchange for lease obligations:
Finance leases		9.3
Operating leases		5.1