Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2020

Commitments and Contingencies Disclosure [Abstract]

Components of Lease Cost

The components of lease cost follow:

(in millions)	2020		2019
Operating lease cost	$	28.1	$	27.5
Variable lease cost	3.9		5.0
Short-term lease cost	4.2		3.1
Total lease cost	$	36.2	$	35.6

Summary of Lease Assets and Lease Liabilities

A summary of lease assets and liabilities follows:

(in millions)	December 31, 2020		December 31, 2019
Assets:
Operating lease right-of-use assets(1)	$	70.5	$	78.0
Liabilities:
Operating lease liabilities - current(2)	22.5		22.2
Operating lease liabilities - long-term(3)	55.1		61.8
Total lease liabilities	$	77.6	$	84.0

(1)Included in other long-term assets.

(2)Included in accrued and other current liabilities.

(3)Included in other long-term liabilities.

Maturity of Lease Liabilities

Maturity of lease liabilities as of December 31, 2020, follow:

(in millions)	2021		2022		2023		2024		2025		Thereafter		Total
Lease payments	$	24.5	$	18.3	$	12.4	$	8.4	$	4.7	$	18.9	$	87.2
Less: imputed interest													(9.6)
Total lease liabilities													$	77.6

Lease Term and Discount Rate

Lease Term and Discount Rate

	December 31, 2020		December 31, 2019
Operating leases:
Weighted-average remaining lease term (in years)	5.8		6.3
Weighted-average discount rate	3.4	%	3.8	%