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Long term debt - Capital lease obligations (Details) (CAD) In Thousands, unless otherwise specified	Mar. 31, 2013
Debt Disclosure [Abstract]
2014	14,442
2015	13,490
2016	12,156
2017	6,887
2018	0
Subtotal:	46,975
Less: amount representing interest	(5,153)
Present value of minimum lease payments	41,822
Less: current portion	(12,017)
Long term portion	29,805

X

- Definition

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid within one year (or one operating cycle, if longer) of the balance sheet date.

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