Operating Expenses

3 Months Ended

Mar. 31, 2024

Operating Expenses [Abstract]

Operating Expenses

6. Operating Expenses

Acquisition-Related and Integration Costs

Acquisition-related and integration costs consist of operating expenses incurred in connection with business combinations, such as due diligence, advisory, legal, integration, severance, acceleration of share-based payments expense and share-based continuing employment costs. Integration costs primarily include costs with third-party consultants to support integration activities to achieve cost synergies and integration goals.

	Three months ended March 31,
	2024		2023
IAA
Financing	$	—	$	30.0
Severance	5.2		14.0
Integration	5.4		5.1
Acceleration of share-based payments expense	0.9		5.0
Legal	—		9.5
Investment banking, consulting and other acquisition-related costs	1.1		61.6
	12.6		125.2
Other acquisitions	0.2		1.0
Total acquisition-related and integration costs	$	12.8	$	126.2

Depreciation and Amortization

	Three months ended March 31,
	2024		2023
Depreciation	$	24.9	$	11.5
Amortization	82.8		24.7
	$	107.7	$	36.2