Supplemental Cash Flow Information

12 Months Ended

Dec. 31, 2023

Additional Cash Flow Elements and Supplemental Cash Flow Information [Abstract]

Supplemental Cash Flow Information

10. Supplemental Cash Flow Information

Net Changes in Operating Assets and Liabilities

Year ended December 31,	2023		2022		2021
Trade and other receivables	$	(36.8)	$	(44.1)	$	(11.6)
Prepaid consigned vehicle charges	(66.6)		—		—
Inventory	(10.7)		(7.2)		(21.9)
Advances against auction contracts	(12.6)		(5.7)		2.0
Prepaid expenses and deposits	1.2		2.6		(17.7)
Income taxes receivable	(6.6)		16.8		(13.5)
Auction proceeds payable	(12.1)		139.1		82.5
Trade and other liabilities	174.5		18.6		28.0
Income taxes payable	(37.2)		35.2		(11.5)
Operating lease obligation	(124.5)		(12.9)		(11.8)
Other	(12.3)		8.8		(0.1)
Net changes in operating assets and liabilities	$	(143.7)	$	151.2	$	24.4

Year ended December 31,	2023		2022		2021
Interest paid, net of interest capitalized	$	163.4	$	38.0	$	45.0
Interest received	22.0		7.0		1.4
Net income taxes paid	180.0		29.6		71.2
Non-cash purchase of property, plant and equipment under finance lease	12.7		13.4		7.7
Non-cash right of use assets obtained in exchange for new lease obligations	188.7		30.3		13.9