Long-term debt (Tables)

12 Months Ended

Dec. 31, 2023

Financial Instruments [Abstract]

Schedule of long-term debt

As at	Dec 31 2023		Dec 31 2022
Unsecured notes
(i) $300 million at 4.25% due December 1, 2024	$	299,283	$	298,836
(ii) $700 million at 5.125% due October 15, 2027	694,844		693,649
(iii) $700 million at 5.25% due December 15, 2029	695,824		695,283
(iv) $300 million at 5.65% due December 1, 2044	295,709		295,606
	1,985,660		1,983,374
Other limited recourse debt facilities
(i) 5.58% due through June 30, 2031	56,637		61,978
(ii) 5.35% due through September 30, 2033	65,300		70,312
(iii) 5.21% due through September 15, 2036	34,204		35,849
	156,141		168,139
Total long-term debt1	2,141,801		2,151,513
Less current maturities1	(314,716)		(15,133)
	$	1,827,085	$	2,136,380

1  Long-term debt and current maturities are presented net of discounts and deferred financing fees of $16.8 million as at December 31, 2023 (2022 - $19.4 million).

Schedule of minimum principal payments for long-term debt

The gross minimum principal payments for long-term debt in aggregate and for each of the five succeeding years are as follows:

	Other limited recourse debt facilities		Unsecured notes		Total
2024	$	15,367	$	300,000	$	315,367
2025	13,660		—		13,660
2026	13,796		—		13,796
2027	15,173		700,000		715,173
2028	16,026		—		16,026
Thereafter	84,574		1,000,000		1,084,574
	$	158,596	$	2,000,000	$	2,158,596