Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2020

Payables and Accruals [Abstract]

Schedule of accrued expenses

	December 31, 2020		December 31, 2019
	(in millions)
Direct costs of sales	$	4.0	$	5.5
Payroll and related costs		7.7		4.4
Accrued corporate cost expenses		1.8		1.6
Interest payable - cash		6.8		5.5
Asset retirement obligations		1.6		2.0
Acquisition consideration		0.8		2.5
Contract termination costs		0.2		0.1
Other creditors		8.5		9.6
	$	31.4	$	31.2