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Financial risk management | 12 Months Ended
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Dec. 31, 2017
Financial Instruments [Abstract] |
Financial risk management | Financial risk management: a) Market risks: The Company’s operations consist of the production and sale of methanol. Market fluctuations may result in significant cash flow and profit volatility risk for the Company. Its worldwide operating business as well as its investment and financing activities are affected by changes in methanol and natural gas prices and interest and foreign exchange rates. The Company seeks to manage and control these risks primarily through its regular operating and financing activities and uses derivative instruments to hedge these risks when deemed appropriate. This is not an exhaustive list of all risks, nor will the risk management strategies eliminate these risks. Methanol price risk The methanol industry is a highly competitive commodity industry and methanol prices fluctuate based on supply and demand fundamentals and other factors. The profitability of the Company is directly related to the market price of methanol. A decline in the market price of methanol could negatively impact the Company's future operations. The Company does not hedge its methanol sales through derivative contracts. The Company manages its methanol price risk, to a certain degree, through natural gas supply contracts that include a variable price component related to methanol prices, as described below. Natural gas price risk Natural gas is the primary feedstock for the production of methanol. The Company has entered into multi-year natural gas supply contracts for its production facilities in New Zealand, Trinidad, Egypt and certain contracts in Chile that include base and variable price components to reduce the commodity price risk exposure. The variable price component is adjusted by formulas related to methanol prices above a certain level. The Company also has multi-year fixed price natural gas contracts to supply its production facilities in Geismar, Medicine Hat and Chile and natural gas hedges in Geismar and Medicine Hat to manage its exposure to natural gas price risk. Interest rate risk Interest rate risk is the risk that the Company suffers financial loss due to changes in the value of an asset or liability or in the value of future cash flows due to movements in interest rates. The Company’s interest rate risk exposure is mainly related to long-term debt obligations.
As at | Dec 31 2017 |  | Dec 31 2016 |
Fixed interest rate debt: |  |
Unsecured notes | $ | 1,188,163 |  | $ | 1,186,424 |
| $ | 1,188,163 |  | $ | 1,186,424 |
Variable interest rate debt: |  |
Egypt limited recourse debt facilities | $ | 241,190 |  | $ | 288,515 |
Other limited recourse debt facilities | 72,918 |  | 81,267 |
| $ | 314,108 |  | $ | 369,782 |
For fixed interest rate debt, a 1% change in interest rates would result in a change in the fair value of the debt (disclosed in note 18) of approximately $84.0 million as of December 31, 2017 (2016 - $80.2 million). The fair value of variable interest rate debt fluctuates primarily with changes in credit spreads. For the variable interest rate debt, a 1% change in LIBOR would result in a change in annual interest payments of $3.2 million as of December 31, 2017 (2016 - $3.7 million). Foreign currency risk The Company’s international operations expose the Company to foreign currency exchange risks in the ordinary course of business. Accordingly, the Company has established a policy that provides a framework for foreign currency management and hedging strategies and defines the approved hedging instruments. The Company reviews all significant exposures to foreign currencies arising from operating and investing activities and hedges exposures if deemed appropriate. The dominant currency in which the Company conducts business is the United States dollar, which is also the reporting currency. Methanol is a global commodity chemical that is priced in United States dollars. In certain jurisdictions, however, the transaction price is set either quarterly or monthly in the local currency. Accordingly, a portion of the Company’s revenue is transacted in Canadian dollars, euros, Chinese yuan and, to a lesser extent, other currencies. For the period from when the price is set in local currency to when the amount due is collected, the Company is exposed to declines in the value of these currencies compared to the United States dollar. The Company also purchases varying quantities of methanol for which the transaction currency is the euro, Chinese yuan and, to a lesser extent, other currencies. In addition, some of the Company’s underlying operating costs and capital expenditures are incurred in other currencies. The Company is exposed to increases in the value of these currencies that could have the effect of increasing the United States dollar equivalent of cost of sales and operating expenses and capital expenditures. The Company has elected not to actively manage these exposures at this time except for a portion of the net exposure to euro revenues, which is hedged through forward exchange contracts each quarter when the euro price for methanol is established. As at December 31, 2017, the Company had a net working capital asset of $85.3 million in non U.S. dollar currencies (2016 - $75.3 million). Each 10% strengthening (weakening) of the U.S. dollar against these currencies would decrease (increase) the value of net working capital and pre-tax cash flows and earnings by approximately $8.5 million (2016 - $7.5 million). b) Liquidity risks: Liquidity risk is the risk that the Company will not have sufficient funds to meet its liabilities, such as the settlement of financial debt and lease obligations and payment to its suppliers. The Company maintains liquidity and makes adjustments to it in light of changes to economic conditions, underlying risks inherent in its operations and capital requirements to maintain and grow its operations. As at December 31, 2017, the Company had $375 million of cash and cash equivalents. In addition, the Company has an undrawn credit facility of $300 million provided by highly rated financial institutions that expires in December 2022. In addition to the above-mentioned sources of liquidity, the Company monitors funding options available in the capital markets, as well as trends in the availability and costs of such funding, with a view to maintaining financial flexibility and limiting refinancing risks. The expected cash flows of financial liabilities from the date of the balance sheet to the contractual maturity date are as follows:
As at December 31, 2017 | Carrying amount |  | Contractual cash flows |  |  | 1 year or less |  | 1-3 years |  | 3-5 years |  | More than 5 years |
Trade and other payables 1 | $ | 519,352 |  | $ | 519,352 |  |  | $ | 519,352 |  | $ | — |  | $ | — |  | $ | — |
Finance lease obligations | 204,242 |  | 397,876 |  |  | 31,447 |  | 64,039 |  | 65,618 |  | 236,772 |
Long-term debt 2 | 1,502,271 |  | 2,178,011 |  |  | 121,689 |  | 586,091 |  | 471,831 |  | 998,400 |
Cash flow hedges | 91,014 |  | 105,120 |  |  | 7,114 |  | 17,057 |  | 28,864 |  | 52,085 |
| $ | 2,316,879 |  | $ | 3,200,359 |  |  | $ | 679,602 |  | $ | 667,187 |  | $ | 566,313 |  | $ | 1,287,257 |
1 | Excludes tax and accrued interest.
2 | Contractual cash flows include contractual interest payments related to debt obligations. Interest rates on variable rate debt are based on prevailing rates as at December 31, 2017.
c) Credit risks: Counterparty credit risk is the risk that the financial benefits of contracts with a specific counterparty will be lost if a counterparty defaults on its obligations under the contract. This includes any cash amounts owed to the Company by those counterparties, less any amounts owed to the counterparty by the Company where a legal right of offset exists and also includes the fair values of contracts with individual counterparties that are recorded in the financial statements. Trade credit risk Trade credit risk is defined as an unexpected loss in cash and earnings if the customer is unable to pay its obligations in due time or if the value of the security provided declines. The Company has implemented a credit policy that includes approvals for new customers, annual credit evaluations of all customers and specific approval for any exposures beyond approved limits. The Company employs a variety of risk-mitigation alternatives, including credit insurance, certain contractual rights in the event of deterioration in customer credit quality and various forms of bank and parent company guarantees and letters of credit to upgrade the credit risk to a credit rating equivalent or better than the stand-alone rating of the counterparty. Trade credit losses have historically been minimal and as at December 31, 2017 substantially all of the trade receivables were classified as current. Cash and cash equivalents To manage credit and liquidity risk, the Company’s investment policy specifies eligible types of investments, maximum counterparty exposure and minimum credit ratings. Therefore, the Company invests only in highly rated investment-grade instruments that have maturities of three months or less. Derivative financial instruments The Company’s hedging policies specify risk management objectives and strategies for undertaking hedge transactions. The policies also include eligible types of derivatives and required transaction approvals, as well as maximum counterparty exposures and minimum credit ratings. The Company does not use derivative financial instruments for trading or speculative purposes. To manage credit risk, the Company only enters into derivative financial instruments with highly rated investment-grade counterparties. Hedge transactions are reviewed, approved and appropriately documented in accordance with Company policies.

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