Comprehensive (Loss) Income (Tables)

12 Months Ended

Dec. 31, 2020

Stockholders Equity Note [Abstract]

Components of Other Comprehensive (Loss) Income and Income Tax Benefit Allocated

The components of accumulated other comprehensive (loss) income and income tax benefit allocated to each component for the years ended December 31, 2020, 2019, and 2018 were as follows:

	2020									2019									2018
(millions)	Before Tax Amount			Income Tax			Net of Tax Amount			Before Tax Amount			Income Tax			Net of Tax Amount			Before Tax Amount			Income Tax		Net of Tax Amount
Translation adjustments	$	0.1		$	—		$	0.1		$	0.1		$	—		$	0.1		$	(0.6	)	$	—	$	(0.6	)
Change in fair value of interest rate collars		(2.5	)		(0.7	)		(1.8	)		(0.6	)		(0.2	)		(0.4	)		—			—		—
Other Comprehensive (loss) income	$	(2.4	)	$	(0.7	)	$	(1.7	)	$	(0.5	)	$	(0.2	)	$	(0.3	)	$	(0.6	)	$	—	$	(0.6	)

Components of Accumulated Other Comprehensive Loss

The changes to accumulated other comprehensive loss by component for the years ended December 31, 2020, 2019, and 2018, were as follows:

							Total
	Foreign			Change in Fair			Accumulated
	Currency			Value			Other
	Translation			of Interest Rate			Comprehensive
(millions)	Adjustments			Collars			Loss
Balance as of January 1, 2018	$	(1.2	)	$	—		$	(1.2	)
Other comprehensive loss before reclassification		(0.6	)		—			(0.6	)
Cumulative effect of change in accounting principle (1)		(0.6	)		—			(0.6	)
Balance as of December 31, 2018		(2.4	)		—			(2.4	)
Other comprehensive (loss) income before reclassification		0.1			(0.4	)		(0.3	)
Balance as of December 31, 2019		(2.3	)		(0.4	)		(2.7	)
Other comprehensive (loss) income before reclassification		0.1			(2.9	)		(2.8	)
Amounts reclassified from accumulated other comprehensive loss		—			1.1			1.1
Balance as of December 31, 2020	$	(2.2	)	$	(2.2	)	$	(4.4	)

(1) Refer to Note 1, Significant Accounting Policies and Practices for additional information on the Company's adoption of ASU 2018-02.

Reclassification from Accumulated Other Comprehensive Loss

Reclassifications from accumulated other comprehensive loss for the years ended December 31, 2020, 2019, and 2018 were as follows:

(millions)	2020		2019		2018		Classification in the Consolidated Statements of (Loss) Income
Interest Rate Collars:
Net realized loss	$	1.5	$	—	$	—	Other expenses
Reclassifications before tax		1.5		—		—
Income tax benefit		0.4		—		—
Reclassifications, net of tax	$	1.1	$	—	$	—