Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Assets
Cash and cash equivalents	$ 278,944	$ 267,910
Restricted cash	62,414	63,206
Trade and other receivables	182,157	92,105
Inventory	34,350	38,238
Other current assets	30,657	27,026
Assets held for sale	251	584
Income taxes receivable	17,515	19,418
Total Current Assets	606,288	508,487
Property, plant and equipment	522,871	526,581
Equity-accounted investments	6,915	7,408
Other non-current assets	26,807	24,146
Intangible assets	259,052	261,094
Goodwill	674,097	670,922
Deferred tax assets	19,934	18,674
Total Assets	2,115,964	2,017,312
Liabilities and Equity
Auction proceeds payable	303,416	199,245
Trade and other payables	170,777	164,553
Income taxes payable	2,021	732
Short-term debt	5,861	7,018
Current portion of long-term debt	9,264	16,907
Total Current Liabilities	491,339	388,455
Long-term debt	771,030	795,985
Other non-current liabilities	44,857	46,773
Deferred tax liabilities	34,712	32,334
Total Liabilities	1,341,938	1,263,547
Contingencies
Contingently redeemable performance share units	16,576	9,014
Share capital:
Common stock; no par value, unlimited shares authorized, issued and outstanding shares: 107,471,895 (December 31, 2017: 107,269,783)	144,387	138,582
Additional paid-in capital	44,327	41,005
Retained earnings	601,205	602,609
Accumulated other comprehensive loss	(37,619)	(42,514)
Stockholders' equity	752,300	739,682
Non-controlling interest	5,150	5,069
Total shareholders' equity	757,450	744,751
Total liabilities and equity	$ 2,115,964	$ 2,017,312