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Unaudited Interim Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Operating Activities |  |  |  |
Net earnings | $ 272,978 | $ 147,336 | $ 193,605 | $ 221,256
Adjustments and items not affecting cash: |  |  |  |
Depreciation and amortization | 75,667 | 69,813 | 154,547 | 140,860
Deferred taxes | 44,896 | 15,831 | 27,106 | 25,687
Unrealized gain (loss) on derivative financial instruments | (1,940) | 9,144 | (2,179) | 9,675
Share-based compensation expense | 9,997 | 2,566 | 11,640 | 4,473
Cost of equity funds used for construction purposes | (1,036) | (698) | (2,037) | (1,160)
Change in value of investments carried at fair value | (309,725) | (119,856) | (118,967) | (114,038)
Pension and post-employment expense in excess of (lower than) contributions | (1,599) | 434 | 2,784 | 3,231
Distributions received from equity investments, net of income | 1,258 | 2,629 | 2,072 | 4,693
Others | (131) | (382) | (2,141) | 523
Changes in non-cash operating items | 52,569 | 6,775 | (56,629) | (39,487)
Net Cash Provided by (Used in) Operating Activities, Total | 142,934 | 133,592 | 209,801 | 255,713
Financing Activities |  |  |  |
Increase in long-term debt | 603,925 | 1,488,244 | 1,336,655 | 2,110,785
Decrease in long-term debt | (688,219) | (1,372,856) | (1,073,168) | (1,689,224)
Issuance of common shares, net of costs | 119,492 | 5,974 | 120,257 | 6,367
Cash dividends on common shares | (65,236) | (47,504) | (122,568) | (92,214)
Dividends on preferred shares | (2,017) | 0 | (4,157) | (2,106)
Contributions from non-controlling interests, related party | 0 | 96,752 | 0 | 96,752
Contributions from non-controlling interests and redeemable non-controlling interests | 2,649 | 475 | 2,649 | 475
Production-based cash contributions from non-controlling interest | 0 | 0 | 3,371 | 3,565
Distributions to non-controlling interests, related party | (8,405) | (3,773) | (15,912) | (10,867)
Distributions to non-controlling interests | (3,148) | (3,284) | (7,225) | (5,520)
Payments upon settlement of derivatives | 0 | 0 | 0 | (8,732)
Shares surrendered to fund withholding taxes on exercised share options | (4,644) | (3,941) | (4,644) | (3,941)
Increase in other long-term liabilities | 4,801 | 774 | 7,201 | 4,052
Decrease in other long-term liabilities | (3,054) | (11,334) | (5,026) | (13,779)
Net Cash Provided by (Used in) Financing Activities, Total | (43,856) | 149,527 | 237,433 | 395,613
Investing Activities |  |  |  |
Additions to property, plant and equipment and intangible assets | (186,407) | (105,664) | (342,309) | (213,050)
Increase in long-term investments | (44,078) | (184,887) | (105,167) | (415,687)
Acquisitions of operating entities | (7,285) | 0 | (3,051) | (1,350)
Increase in other assets | (2,398) | (11,975) | (7,764) | (13,011)
Receipt of principal on development loans receivable | 1,239 | 0 | 10,954 | 10,601
Proceeds from sale of long-lived assets | 0 | 0 | 415 | 0
Net Cash Provided by (Used in) Investing Activities, Total | (238,929) | (302,526) | (446,922) | (632,497)
Effect of exchange rate differences on cash and restricted cash | 2,730 | 566 | (1,750) | 725
Increase (decrease) in cash, cash equivalents and restricted cash | (137,121) | (18,841) | (1,438) | 19,554
Cash, cash equivalents and restricted cash, beginning of period | 222,955 | 104,168 | 87,272 | 65,773
Cash, cash equivalents and restricted cash, end of period | 85,834 | 85,327 | 85,834 | 85,327
Supplemental disclosure of cash flow information: |  |  |  |
Cash paid during the period for interest expense | 54,781 | 46,180 | 99,588 | 83,324
Cash paid during the period for income taxes | 877 | 10,192 | 1,924 | 9,538
Non-cash financing and investing activities: |  |  |  |
Property, plant and equipment acquisitions in accruals | 51,634 | 29,207 | 51,634 | 29,207
Issuance of common shares under dividend reinvestment plan and share-based compensation plans | 12,165 | 17,969 | 46,012 | 45,193
Convertible Debentures |  |  |  |
Non-cash financing and investing activities: |  |  |  |
Issuance of common shares upon conversion of convertible debentures | $ 0 | $ 64 | $ 12 | $ 94

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- Definition The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 + Details
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- Definition The cash outflow for securities or other assets acquired, which qualify for treatment as an investing activity and are to be liquidated, if necessary, beyond the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the long-term. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 + Details
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- Definition The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 + Details
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- Definition Amount of cash outflow to a noncontrolling interest. Includes, but not limited to, reduction of noncontrolling interest ownership. Excludes dividends paid to the noncontrolling interest. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
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- Definition Amount of cash inflow from capital contributions to an entity associated with a dividend reinvestment plan. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
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- Definition The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
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- Definition Amount of cash inflow from a noncontrolling interest. Includes, but is not limited to, purchase of additional shares or other increase in noncontrolling interest ownership. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
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- Definition Amount of cash inflow (outflow) from financing activities classified as other. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
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- Definition Amount of cash inflow (outflow) from other long-term debt. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 + Details
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- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585 + Details
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- Definition Total increase in earnings in the period representing the cost of equity (based on assumed rate of return) and/or borrowed funds (based on interest rate) used to finance construction of regulated assets, which is expected to be recovered through rate adjustments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 340 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6499975&loc=d3e44278-110382 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 360 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6500269&loc=d3e45485-110386 + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
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- Definition Amount of noncash expense for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
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- Definition The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
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