Supplemental cash flow information (Tables)

6 Months Ended

Jun. 30, 2020

Supplemental cash flow information

Schedule of Net Changes in Operating Assets and Liabilities

Six months ended June 30,	2020		2019
Trade and other receivables	$	(191,182)	$	(208,486)
Inventory		1,447		33,584
Advances against auction contracts		5,207		188
Prepaid expenses and deposits		1,980		739
Income taxes receivable		2,873		(306)
Auction proceeds payable		222,006		252,765
Trade and other payables		19,769		(40,263)
Income taxes payable		8,852		3,341
Operating lease obligation		(6,167)		(7,415)
Other		(1,961)		1,889
Net changes in operating assets and liabilities	$	62,824	$	36,036

Schedule of Supplemental Cash Flow

Six months ended June 30,	2020		2019
Interest paid, net of interest capitalized	$	16,524	$	19,024
Interest received		1,265		1,918
Net income taxes paid		13,850		18,455
Non-cash purchase of property, plant and equipment under finance lease		5,930		8,335
Non-cash right of use assets obtained (reassessed) in exchange for new lease obligations		(139)		20,179

Schedule of Cash, Cash Equivalents and Restricted Cash

	June 30,		December 31,
	2020		2019
Cash and cash equivalents	$	389,720	$	359,671
Restricted cash		148,293		60,585
Cash, cash equivalents, and restricted cash	$	538,013	$	420,256