Supplemental Cash Flow Information (Tables)

9 Months Ended

Sep. 30, 2016

Supplemental Cash Flow Information [Abstract]

Schedule of Net Changes in Operating Assets and Liabilities

Nine months ended September 30,		2016		2015
Restricted cash	$	2,002	$	(54,547)
Trade and other receivables		(129,980)		(63,469)
Inventory		15,257		(1,565)
Advances against auction contracts		914		23,146
Prepaid expenses and deposits		(774)		711
Income taxes receivable		(3,387)		(4,226)
Auction proceeds payable		172,273		140,728
Trade and other payables		(5,331)		(15,754)
Income taxes payable		(9,410)		5,520
Share unit liabilities		2,413		3,631
Other		(4,995)		2,747
Net changes in operating
assets and liabilities	$	38,982	$	36,922

Schedule of Supplemental Cash Flow

Nine months ended September 30,		2016		2015
Interest paid, net of interest capitalized	$	3,859	$	3,856
Interest received		1,353		2,072
Net income taxes paid		44,869		32,775
Non-cash transactions:
Non-cash purchase of property, plant
and equipment under capital lease		1,009		53