(Tables)

12 Months Ended

Dec. 31, 2019

Commitments and Contingencies Disclosure [Abstract]

Schedule of amounts recognized in the Condensed Consolidated Balance Sheet

Amounts recognized in the Consolidated Balance Sheet related to the Lease are included in the table below. Other than the Lease described above, we had no leases accounted for as finance leases as of December 31, 2019.

		December 31,
	Classification	2019
Finance lease right-of-use assets	Property, plant, and equipment, net(1)	$	660.1
Finance lease liabilities	Finance lease liabilities (noncurrent)	$	713.9
(1) Finance lease right-of-use assets are recorded net of accumulated amortization of $76.1 million as of December 31, 2019.

Schedule of lease cost and other information

Finance lease costs consist of the following:

	Year Ended  December 31, 2019
Amortization of right-of-use assets	$	14.4
Interest on lease liabilities	27.6
	$	42.0

Other information related to our finance lease includes the following:

	December 31,
	2019
Remaining lease term (in years)	2.17
Discount rate	3.05	%

Schedule of maturities of operating lease liabilities

The following is a maturity analysis of our lease liabilities as of December 31, 2019:    

	Operating Leases			Finance Leases
2020	$	7.6		$	22.2
2021	6.6			21.9
2022	3.3			725.4
2023	2.0			—
2024	2.3			—
Thereafter	4.3			—
Total undiscounted lease payments	26.1			769.5
Imputed interest	(2.5		)	(50.1		)
Debt financing costs	—			(5.5		)
Total lease liabilities	$	23.6		$	713.9

Schedule of maturities of finance lease liabilities

The following is a maturity analysis of our lease liabilities as of December 31, 2019:    

	Operating Leases			Finance Leases
2020	$	7.6		$	22.2
2021	6.6			21.9
2022	3.3			725.4
2023	2.0			—
2024	2.3			—
Thereafter	4.3			—
Total undiscounted lease payments	26.1			769.5
Imputed interest	(2.5		)	(50.1		)
Debt financing costs	—			(5.5		)
Total lease liabilities	$	23.6		$	713.9

Schedule of future minimum noncancelable lease commitments

As of December 31, 2018, the estimated future minimum noncancelable lease commitments, excluding the purchase price we would be obligated to pay if we were to exercise our option to purchase the Facility, were as follows:

	Operating Leases		Capital and Facility Lease Obligations
2019	$	10.4	$	26.4
2020	3.8		28.4
2021	3.4		27.9
2022	2.2		7.0
2023	1.5		—
Thereafter	4.1		—
	$	25.4	$	89.7

Schedule of future minimum noncancelable lease commitments

As of December 31, 2018, the estimated future minimum noncancelable lease commitments, excluding the purchase price we would be obligated to pay if we were to exercise our option to purchase the Facility, were as follows:

	Operating Leases		Capital and Facility Lease Obligations
2019	$	10.4	$	26.4
2020	3.8		28.4
2021	3.4		27.9
2022	2.2		7.0
2023	1.5		—
Thereafter	4.1		—
	$	25.4	$	89.7