OPERATING LEASES (Tables)

12 Months Ended

Dec. 31, 2021

Leases [Abstract]

Components of Lease Expense and Supplemental Cash Flow Information

The components of lease expense for the year ended December 31, 2021, December 31, 2020 and December 31, 2019 were as follows:

$ in millions	Year ended December 31, 2021	Year ended December 31, 2020	Year ended December 31, 2019
Operating lease cost	81.4	91.6	70.0
Variable lease cost	25.5	23.4	26.8
Less: sublease income	(1.9)	(2.1)	(0.6)
Total lease expense	105.0	112.9	96.2

Supplemental cash flow information related to leases for the year ended December 31, 2021 and December 31, 2020 were as follows:

$ in millions	Year ended December 31, 2021	Year ended December 31, 2020
Operating cash flows from operating leases included in the measurement of lease liabilities	86.0	98.3
Right-of-use assets obtained in exchange for new operating lease liabilities	7.7	36.7

Maturities of Lease Liabilities

As of December 31, 2021, the maturities of the company’s lease liabilities (primarily related to real estate leases) were as follows:

$ in millions
Year Ending December 31,2021	Lease Liabilities
2022	77.5
2023	64.9
2024	47.8
2025	39.3
2026	34.7
Thereafter	51.3
Total lease payments	315.5
Less: interest	(25.7)
Present value of lease liabilities	289.8