Accrued Expenses

12 Months Ended

Dec. 31, 2021

Payables and Accruals [Abstract]

Accrued Expenses

10. Accrued Expenses

Accrued expenses consist of the following:

	December 31, 2021		December 31, 2020
	(in millions)
Direct costs of sales	$	4.4	$	4.0
Payroll and related costs		7.2		7.7
Accrued corporate cost expenses		—		1.8
Interest payable - cash		2.0		6.8
Asset retirement obligations		1.1		1.6
Acquisition consideration		0.6		0.8
Contract termination costs		—		0.2
Other creditors		17.3		8.5
	$	32.6	$	31.4