Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2023

Equity [Abstract]

Schedule of Accumulated Other Comprehensive Loss Balances, Net of Tax

Accumulated other comprehensive loss balances, net of tax consist of the following (in millions):

	Interest Rate Swap			Foreign Currency Translation			Defined Benefit Obligation			Accumulated Other Comprehensive Loss
Balance, December 31, 2021	$	(4.8	)	$	(237.4	)	$	0.2		$	(242.0	)
Net current period other comprehensive income (loss)		4.8			(311.6	)		(1.3	)		(308.1	)
Balance, December 31, 2022	$	—		$	(549.0	)	$	(1.1	)	$	(550.1	)
Net current period other comprehensive income (loss)		—			124.5			(0.7	)		123.8
Balance, December 31, 2023	$	—		$	(424.5	)	$	(1.8	)	$	(426.3	)

Schedule of Adjustments to Accumulated Other Comprehensive Income (Loss)

Adjustments to accumulated other comprehensive loss attributable to us are as follows (in millions):

	Year Ended December 31, 2023						Year Ended December 31, 2022						Year Ended December 31, 2021
	Pretax			Tax Effect			Pretax			Tax Effect			Pretax			Tax Effect
Interest Rate Swap
Unrealized gains (losses) on interest rate swaps	$	—		$	—		$	8.8		$	(1.7	)	$	0.4		$	(0.3	)
Reclassification of (gains) losses into net earnings on interest rate swaps		—			—			(2.3	)		—			0.6			—
Net change in cash flow hedges		—			—			6.5			(1.7	)		1.0			(0.3	)
Defined Benefit Pension
Unrealized net (losses) gains on defined benefit pension plan		(0.9	)		0.2			(0.5	)		(0.8	)		3.4			—
Foreign Currency Translation
Current period translation adjustments		130.4			(5.9	)		(326.1	)		14.5			(45.5	)		0.4
Total other comprehensive income (loss)	$	129.5		$	(5.7	)	$	(320.1	)	$	12.0		$	(41.1	)	$	0.1