Supplemental cash flow information (Tables)

3 Months Ended

Mar. 31, 2020

Supplemental cash flow information

Schedule of Net Changes in Operating Assets and Liabilities

Three months ended March 31,	2020		2019
Trade and other receivables	$	(113,115)	$	(91,605)
Inventory		1,297		37,135
Advances against auction contracts		4,923		(1,041)
Prepaid expenses and deposits		(597)		(492)
Income taxes receivable		(1,217)		(1,458)
Auction proceeds payable		72,687		120,036
Trade and other payables		(3,138)		(36,887)
Income taxes payable		(5,030)		1,496
Operating lease obligation		(2,310)		(2,296)
Other		(210)		2,517
Net changes in operating assets and liabilities	$	(46,710)	$	27,405

Schedule of Supplemental Cash Flow

Three months ended March 31,	2020		2019
Interest paid, net of interest capitalized	$	15,171	$	16,521
Interest received		778		855
Net income taxes paid		12,442		6,339
Non-cash purchase of property, plant and equipment under capital lease		3,502		2,564
Non-cash right of use assets obtained (reassessed) in exchange for new lease obligations		(1,001)		784

Schedule of Cash, Cash Equivalents and Restricted Cash

	March 31,		December 31,
	2020		2019
Cash and cash equivalents	$	290,094	$	359,671
Restricted cash		65,831		60,585
Cash, cash equivalents, and restricted cash	$	355,925	$	420,256