Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Dec. 31, 2020

Equity [Abstract]

Schedule of Other Comprehensive Income and Related Tax Effects

The components of other comprehensive income (loss) (“OCI”) and the related tax effects were as follows (in millions):

	Year Ended December 31,
	2020						2019						2018
					Net						Net						Net
	Before		Tax		of		Before		Tax		of		Before		Tax		of
	Tax		Effect		Tax		Tax		Effect		Tax		Tax		Effect		Tax
Defined benefit plan adjustments:
Net actuarial (loss) gain during the year	$	(0.5)	$	0.1	$	(0.4)	$	(0.3)	$	0.1	$	(0.2)	$	(0.4)	$	0.1	$	(0.3)
Amortization of net actuarial gain included in net income	—		—		—		—		—		—		0.1		—		0.1
Net (loss) gain during the year	(0.5)		0.1		(0.4)		(0.3)		0.1		(0.2)		(0.3)		0.1		(0.2)
Foreign currency translation gain (loss)	0.8		1.1		1.9		2.9		—		2.9		(5.5)		—		(5.5)
Other comprehensive income (loss)	$	0.3	$	1.2	$	1.5	$	2.6	$	0.1	$	2.7	$	(5.8)	$	0.1	$	(5.7)

Schedule of Changes in Accumulated Other Comprehensive Income

The following table provides a summary of the changes in AOCI for the years presented (in millions):

			Foreign
	Defined		Currency
	Benefit Plan		Translation		Total
Balance as of December 31, 2017	$	0.6	$	(2.7)	$	(2.1)
Other comprehensive loss	(0.2)		(5.5)		(5.7)
Balance as of December 31, 2018	$	0.4	$	(8.2)	$	(7.8)
Other comprehensive (loss) income	(0.2)		2.9		2.7
Balance as of December 31, 2019	$	0.2	$	(5.3)	$	(5.1)
Other comprehensive (loss) income	(0.4)		1.9		1.5
Balance as of December 31, 2020	$	(0.2)	$	(3.4)	$	(3.6)