Restructuring (Tables)

6 Months Ended

Jun. 30, 2021

Restructuring and Related Activities [Abstract]

Rollforward of Restructuring Liability

The following table shows the rollforward of the restructuring liability and the total restructuring charges as of and for the period ending June 30, 2021 and December 31, 2020. The company recorded the liability to accounts payable and accrued liabilities on the Condensed Consolidated Balance Sheets.

$ in millions	Employee Compensation	Other Expenses	Total
Balance as of July 1, 2020	—	—	—
Accrued charges	85.0	9.1	94.1
Payments	(40.5)	(9.1)	(49.6)
Balance as of December 31, 2020	44.5	—	44.5
Accrued charges	19.8	4.1	23.9
Payments	(40.2)	(1.1)	(41.3)
Balance as of March 31, 2021	24.1	3.0	27.1
Accrued charges	12.8	3.1	15.9
Payments	(20.4)	(4.3)	(24.7)
Balance as of June 30, 2021	16.5	1.8	18.3
Non-cash charges (1)
Six months ended December 31, 2020	19.5	5.4	24.9
Six months ended June 30, 2021	7.5	2.8	10.3
Total non-cash charges	27.0	8.2	35.2
Cumulative charges incurred through June 30, 2021	144.6	24.5	169.1

(1) Non-cash charges include stock-based compensation, accelerated depreciation of certain assets and location strategy costs.