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Supplemental cash flow information
12 Months Ended
Dec. 31, 2021
Supplemental cash flow information  
Supplemental cash flow information

11.   Supplemental cash flow information

Year ended December 31, 

2021

2020

2019

Trade and other receivables

$

(11,607)

 

$

22,079

 

$

(8,611)

Inventory

(21,884)

(18,149)

44,633

Advances against auction contracts

2,073

6,705

2,766

Prepaid expenses and deposits

(17,739)

2,196

(3,403)

Income taxes receivable

(13,457)

13

(445)

Auction proceeds payable

82,484

(74,114)

69,382

Trade and other payables

27,995

38,078

(21,296)

Income taxes payable

(11,484)

9,671

5,812

Operating lease obligation

(11,844)

(11,162)

(13,404)

Other

(103)

(4,451)

1,168

Net changes in operating assets and liabilities

$

24,434

 

$

(29,134)

 

$

76,602

Net capital spending, which consists of property, plant and equipment and intangible asset additions excluding those acquired through business combinations, net of proceeds on disposition of property, plant and equipment, was $41,576,000 for the year ended December 31, 2021 (2020: $26,751,000; 2019: $35,075,000).

Year ended December 31, 

2021

2020

2019

Interest paid, net of interest capitalized

$

45,048

 

$

32,521

 

$

37,046

Interest received

1,402

2,338

3,802

Net income taxes paid

71,229

43,398

26,699

Non-cash purchase of property, plant and equipment under finance lease

7,720

 

11,326

 

15,282

Non-cash right of use assets obtained (reassessed) in exchange for new lease obligations

13,917

 

10,588

 

29,117

Non-cash equity consideration in connection with Rouse acquisition

1,459

2021

2020

2019

Cash and cash equivalents

$

326,113

$

278,766

$

359,671

Restricted cash

Current

102,875

28,129

60,585

Non-current

933,464

Cash, cash equivalents, and restricted cash

$

1,362,452

$

306,895

$

420,256