Three Months Ended March 31,

2021

2020

Lease cost:

Operating lease cost ⁽¹⁾

$

13.3

$

12.4

Sublease income

(0.4

)

—

Finance lease costs

Depreciation of finance lease assets ⁽²⁾

3.5

1.6

Interest on finance lease liabilities ⁽³⁾

0.3

0.2

Total lease cost

$

16.7

$

14.2

Other information:

Cash paid for amounts included in the measurement of lease liabilities

Operating cash outflows from operating leases

$

(12.5

)

$

(13.6

)

Operating cash outflows from finance leases

$

(0.3

)

$

(0.2

)

Financing cash outflows from finance leases

$

(1.9

)

$

(1.9

)

Weighted-average remaining lease term - operating leases (in years)

9.1

9.3

Weighted-average remaining lease term - finance leases (in years)

2.0

2.2

Weighted-average discount rate - operating leases

4.0

%

4.0

%

Weighted-average discount rate - finance leases

4.1

%

3.7

%