Operating Expenses (Tables)

9 Months Ended

Sep. 30, 2024

Operating Expenses [Abstract]

Schedule Of Acquisition Related and Integration Costs Expenses

The following table summarizes acquisition-related and integration costs by significant acquisition and nature:

	Three months ended September 30,				Nine months ended September 30,
	2024		2023		2024		2023
IAA acquisition
Financing	$	—	$	—	$	—	$	30.0
Severance	2.9		6.6		10.6		29.3
Integration	2.7		11.7		9.7		28.8
Acceleration of share-based payments expense	0.1		0.6		1.0		6.5
Legal	—		0.1		—		12.2
Investment banking, consulting and other acquisition-related costs	0.1		2.9		1.2		67.2
Settlement of pre-existing contractual arrangement	—		—		—		16.3
	5.8		21.9		22.5		190.3
Other acquisitions	0.2		1.2		0.4		5.3
Total acquisition-related and integration costs	$	6.0	$	23.1	$	22.9	$	195.6

Schedule of Depreciation and Amortization Expenses

	Three months ended September 30,				Nine months ended September 30,
	2024		2023		2024		2023
Depreciation	$	26.2	$	24.9	$	76.4	$	61.9
Amortization	85.7		76.2		253.5		185.0
	$	111.9	$	101.1	$	329.9	$	246.9