Leases (Tables)

12 Months Ended

Dec. 31, 2020

Leases [Abstract]

Schedule of Right of Use Assets and Lease Liabilities and Other Supplemental Information on Remaining Lease Term and Discount Rate

The right of use assets and lease liabilities included in our balance sheet are as follows:

	December 31, 2020		December 31, 2019
Right of use assets included in other non-current assets	$	72.9	$	87.9
Short-term operating lease liabilities included in other accrued and current liabilities	$	23.3	$	22.4
Long-term operating lease liabilities included in other non-current liabilities	68.4		71.2
Total operating lease liabilities	$	91.7	$	93.6

Schedule of Operating Lease Cost and Supplemental Cash Flow Information

The operating lease cost, supplemental cash flow and other information, and maturity analysis for leases is as follows:

	Successor				Predecessor
	Year ended December 31, 2020		Period from January 1 to December 31, 2019		Period from January 1 to February 7, 2019
Operating lease costs	$	27.5	$	24.6	$	2.8
Variable lease costs	3.6		3.9		1.0
Short-term lease costs	0.4		0.2		—
Sublease income	(0.8)		(0.7)		(0.1)
Total lease costs	$	30.7	$	28.0	$	3.7

Other supplemental information on remaining lease term and discount rate is as follows:

	December 31, 2020		December 31, 2019
Weighted average remaining lease term (in years)	5.0		5.0
Weighted average discount rate	5.5	%	5.9	%

Schedule of Maturity Analysis for Operating Lease Liabilities

The maturity analysis for operating lease liabilities is as follows:

	December 31, 2020
2021	$	27.7
2022	24.0
2023	15.3
2024	10.9
2025	9.5
Thereafter	17.5
Undiscounted cash flows	104.9
Less imputed interest	13.2
Total operating lease liabilities	$	91.7