SUPPLEMENTAL CASH FLOW INFORMATION (Details) - CAD CAD in Thousands	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Changes in Non-Cash Operating Working Capital
Accounts receivable	CAD 37,064	CAD (8,392)	CAD (6,935)
Other current assets	(2,634)	(6,777)	(1,156)
Accounts payable	(47,260)	(37,245)	36,942
Changes in non-cash operating working capital	(12,830)	(52,414)	28,851
Other
Income taxes paid	(22,274)	18,087	4,448
Interest paid	CAD 65,498	CAD 58,416	CAD 55,957

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586

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The increase (decrease) during the reporting period in the aggregate amount of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

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The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.

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The increase (decrease) during the reporting period of all assets and liabilities used in operating activities.

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The increase (decrease) during the reporting period in other current operating assets not separately disclosed in the statement of cash flows.

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The amount of cash paid for interest during the period net of cash paid for interest that is capitalized.

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