Operating Expenses

12 Months Ended

Dec. 31, 2022

Operating Expenses

Operating Expenses

7.     Operating Expenses

Costs of Services

Year ended December 31,	2022		2021		2020
Employee compensation expenses	$	66,081	$	58,808	$	54,977
Ancillary and logistical service expenses		52,628		52,301		59,982
Travel, advertising and promotion expenses		22,604		18,536		22,636
Other costs of services		14,718		15,426		17,047
Buildings, facilities and technology expenses		12,096		10,187		9,886
	$	168,127	$	155,258	$	164,528

Selling, General and Administrative

Year ended December 31,	2022		2021		2020
Wages, salaries and benefits	$	323,686	$	285,535	$	257,797
Share-based compensation expense		36,961		23,106		21,879
Buildings, facilities and technology expenses		88,852		73,490		62,755
Travel, advertising and promotion expenses		38,024		25,940		25,780
Professional fees		29,819		25,969		18,220
Other selling, general and administrative		22,591		22,163		23,860
	$	539,933	$	456,203	$	410,291

7.     Operating Expenses (continued)

Acquisition-related Costs

Acquisition-related costs consist of operating expenses incurred in connection with business combinations, such as due diligence, advisory, legal, integration planning, and share-based continuing employment costs. The following is a summary of our acquisition-related costs:

Year ended December 31,	2022		2021		2020
IAA	$	21,282	$	—	$	—
SmartEquip		3,052		4,965		—
Euro Auctions		7,385		13,596		—
Rouse		5,414		11,636		6,014
Other		128		—		—
	$	37,261	$	30,197	$	6,014

During the year ended December 31, 2022, the Company incurred $5.1 million (2021: $10.3 million; 2020: $0.8 million) of share-based continuing employment costs for the acquisition of Rouse and $2.4 million (2021: $0.4 million: 2020: nil) for the acquisition of SmartEquip, included within acquisition-related costs.

Depreciation and Amortization Expenses

Year ended December 31,	2022		2021		2020
Depreciation	$	31,421	$	32,401	$	31,330
Amortization		65,734		55,488		43,591
	$	97,155	$	87,889	$	74,921