Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Goodwill

A summary of the Company's goodwill is as follows:

	U.S. Operating Segment		International Operating Segment		Total
Balance at January 1, 2023 (1)	$	1,182.9	$	68.0	$	1,250.9
Foreign currency translation adjustments		—		2.4		2.4
Balance at March 31, 2023 (1)	$	1,182.9	$	70.4	$	1,253.3

(1)Balances are presented net of accumulated impairment losses of $214.0 for the U.S. operating segment and $43.8 for the international operating segment. See discussion of the qualitative impairment analysis performed by the Company as of March 31, 2023 at Note 13.

Intangible Assets

A summary of the Company's intangible assets is as follows:

	Balance at January 1, 2023			Amortization			Foreign Currency Translation Adjustments		Balance at March 31, 2023
Intangible assets with finite lives:
Gross carrying amount	$	77.7		$	—		$	—	$	77.7
Accumulated amortization		(73.2	)		(0.5	)		—		(73.7	)
Total net intangible assets with finite lives	$	4.5		$	(0.5	)	$	—	$	4.0
Intangible assets with indefinite lives:
Tradename and other		300.1			—			0.1		300.2
Total intangible assets, net	$	304.6		$	(0.5	)	$	0.1	$	304.2

Estimated Aggregate Future Amortization Expense for Intangible Assets

The estimated aggregate future amortization expense for intangible assets is as follows:

	Estimated
	Amortization
For the nine months ended December 31, 2023	$	1.5
For the twelve months ended December 31, 2024		2.0
For the twelve months ended December 31, 2025		0.5
Total	$	4.0