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Consolidated statements of cash flows
$ in Thousands
 12 Months Ended
Dec. 31, 2018
CAD ($)
Dec. 31, 2017
CAD ($)
Operating activities    
Net earnings (loss) $ 166,235 $ (204,718)
Adjustments for:    
Depreciation and amortization 327,973 330,345
Deferred charges 10,683 (1,101)
Unrealized loss (gain) on derivatives 74,295 (62,569)
Share-based compensation 14,976 13,960
Loss on disposal of assets 2,303 6,947
Finance costs 111,779 110,608
Finance income (22,071) (5,265)
Share of earnings from equity-accounted investee (32,321) 0
Impairment charges 0 358,330
Other expense (income) (100,310) 30,522
Other operating expense 59,616 43
Income tax recovery (126,306) (2,519)
Interest received 18,311 11,592
Income taxes paid (20,709) (77,182)
Other operating items 183,062 87,057
Net cash provided by operations 667,516 596,050
Investing activities    
Additions to property, plant and equipment (55,362) (114,028)
Increase in short-term investments (391,025) 0
Increase in long-term receivables, investments and other 33,508 19,023
Proceeds from sale of property, plant and equipment 1,249 1,951
Net cash used in investing (411,630) (93,054)
Financing activities    
Interest paid (72,976) (69,498)
Proceeds from issuance of shares, stock option plan   4
Dividends paid (71,224) (158,297)
Net cash used in financing (144,200) (227,791)
Increase (decrease) in cash and cash equivalents, during the year 111,686 275,205
Exchange rate changes on foreign currency cash balances 8,222 (3,863)
Cash and cash equivalents, beginning of year 591,620 320,278
Cash and cash equivalents, end of year 711,528 591,620
Cash and cash equivalents is comprised of:    
Cash 317,296 190,174
Cash equivalents $ 394,232 $ 401,446