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Leases (Tables)
 3 Months Ended
Mar. 31, 2021
Leases [Abstract]  
Schedule of Lease ROUs and Lease Liabilities As of March 31, 2021 and December 31, 2020, lease right-of-use assets and lease liabilities consists of the following (in millions):
March 31,
2021		December 31,
2020
Right-of-use assets:
Operating lease (Other non-current assets)$38.6 $39.8 
Finance lease (Property, plant and equipment, net)0.6 0.9 
Total right-of-use assets$39.2 $40.7 
Lease liabilities:
Current portion of operating lease (Other current liabilities)$11.5 $11.2 
Non-current portion of operating lease (Other non-current liabilities)31.6 31.6 
Finance lease (Debt obligations)0.4 0.8 
Total lease liabilities$43.5 $43.6 
Schedule of Leases, Cost
The following table summarizes the components of lease expense for the three months ended March 31, 2021 and 2020 (in millions):

Three Months Ended March 31,
20212020
Finance lease cost:
Amortization of right-of-use assets$0.3 $0.3 
Net finance lease cost0.3 0.3 
Operating lease cost3.5 3.5 
Variable lease cost0.1 0.1 
Total lease cost$3.9 $3.9 

Cash flow information related to leases for the three months ended March 31, 2021and 2020 are as follows (in millions):

Three Months Ended March 31,
20212020
Cash paid for amounts included in the measurement of lease liabilities:
Financing cash flows from finance leases$0.3 $0.2 
Operating cash flows from operating leases$3.7 $3.5 
Right-of-use assets obtained in exchange for new lease liabilities
Operating leases$3.9 $8.5 

As of March 31, 2021 and December 31, 2020, the weighted-average remaining lease term and the weighted-average discount rate for finance leases and operating leases are as follows:

March 31,
2021		December 31,
2020
Weighted-average remaining lease term (years) - operating lease5.14.4
Weighted-average remaining lease term (years) - finance lease0.70.9
Weighted-average discount rate - operating lease7.3 %6.2 %
Weighted-average discount rate - finance lease8.6 %8.9 %
Schedule of Finance Lease, Liability, Maturity
As of March 31, 2021, undiscounted cash flows for finance and operating leases are as follows (in millions):

Operating
Leases		Finance
Leases
2021$13.6 $0.4 
202211.4 — 
20239.1 — 
20246.9 — 
20254.1 — 
Thereafter5.1 — 
Total future lease payments50.2 0.4 
Less: Present values(7.1)— 
Total lease liability balance$43.1 $0.4 
Schedule of Operating Lease, Liability, Maturity
As of March 31, 2021, undiscounted cash flows for finance and operating leases are as follows (in millions):

Operating
Leases		Finance
Leases
2021$13.6 $0.4 
202211.4 — 
20239.1 — 
20246.9 — 
20254.1 — 
Thereafter5.1 — 
Total future lease payments50.2 0.4 
Less: Present values(7.1)— 
Total lease liability balance$43.1 $0.4