Property, Plant and Equipment (Tables)

12 Months Ended

Mar. 31, 2026

Property, plant and equipment [abstract]

Property, Plant and Equipment

The following summarizes the carrying values of property, plant and equipment for the years ended:


			March 31, 2026									March 31, 2025
			Cost			Accumulated depreciation (1)						Net book value			Cost			Accumulated depreciation (1)						Net book value
			$			$						$			$			$						$
Owned assets
Land			12,052			—						12,052			43,937			—						43,937
Buildings			110,125			(48,885)						61,240			242,939			(111,596)						131,343
Construction in progress			17,464			(514)						16,950			27,153			—						27,153
Computer software & equipment			21,351			(20,351)						1,000			31,963			(30,767)						1,196
Furniture & fixtures			7,024			(5,755)						1,269			7,614			(6,619)						995
Production & other equipment			82,455			(64,672)						17,783			152,406			(116,216)						36,190
Total owned assets			250,471			(140,177)						110,294			506,012			(265,198)						240,814

Right-of-use leased assets
Land			1,990			(1,990)						—			13,494			(1,865)						11,629
Buildings			35,487			(22,295)						13,192			34,801			(19,413)						15,388
Production & other equipment			4,499			(4,297)						202			5,466			(5,190)						276
Total right-of-use lease assets			41,976			(28,582)						13,394			53,761			(26,468)						27,293
Total property, plant and equipment			292,447			(168,759)						123,688			559,773			(291,666)						268,107

(1) Comparative amounts have been re-presented to conform to current year presentation, with impairment no longer shown separately, as such amounts are not material.

The following summarizes the changes in the net book values of property, plant and equipment for the years ended:


			Balance, March 31, 2025			Additions						Disposals			Other (1)			Depreciation			Impairment						Foreign currency translation			Balance, March 31, 2026
			$			$						$			$			$			$						$			$
Owned assets
Land			43,937			—						(30,362)			(1,548)			—			—						25			12,052
Buildings			131,343			993						(62,527)			3,973			(11,455)			(1,065)						(22)			61,240
Construction in progress			27,153			14,490						(12,783)			(10,675)			(228)			(970)						(37)			16,950
Computer software & equipment			1,196			1,068						—			(569)			(701)			—						6			1,000
Furniture & fixtures			995			96						(33)			461			(265)			—						15			1,269
Production & other equipment			36,190			1,564						(17,551)			7,594			(8,831)			(740)						(443)			17,783
Total owned assets			240,814			18,211						(123,256)			(764)			(21,480)			(2,775)						(456)			110,294

Right-of-use leased assets
Land			11,629			—						(10,988)			(461)			(180)			—						—			—
Buildings			15,388			581						—			(65)			(2,880)			—						168			13,192
Production & other equipment			276			146						—			(6)			(220)			—						6			202
Total right-of-use lease assets			27,293			727						(10,988)			(532)			(3,280)			—						174			13,394
Total property, plant and equipment			268,107			18,938						(134,244)			(1,296)			(24,760)			(2,775)						(282)			123,688

(1) Includes reclassification of construction in progress cost when associated projects are complete, transfer to assets held for sale and reclassification between asset classes.


			Balance, March 31, 2024			Additions						Disposals			Other (1)			Depreciation			Impairment			Foreign currency translation			Balance, March 31, 2025
			$			$						$			$			$			$			$			$
Owned assets
Land			43,914			—						—			—			—			—			23			43,937
Real estate			143,867			1,093						—			(789)			(12,622)			—			(206)			131,343
Construction in progress			25,685			12,929						—			(11,489)			—			—			28			27,153
Computer software & equipment			1,198			619						—			(28)			(593)			—			—			1,196
Furniture & fixtures			1,456			69						(13)			(105)			(439)			—			27			995
Production & other equipment			47,470			960						(323)			(1,406)			(10,495)			(129)			113			36,190
Total owned assets			263,590			15,670						(336)			(13,817)			(24,149)			(129)			(15)			240,814

Right-of-use leased assets
Land			12,289			—						—			(396)			(264)			—			—			11,629
Real estate			18,100			7,406						(562)			(6,475)			(2,773)			(567)			259			15,388
Production & other equipment			345			203						—			(25)			(259)			—			12			276
Total right-of-use lease assets			30,734			7,609						(562)			(6,896)			(3,296)			(567)			271			27,293
Total property, plant and equipment			294,324			23,279						(898)			(20,713)			(27,445)			(696)			256			268,107

(1)Includes reclassification of construction in progress cost when associated projects are complete and transfers to assets held for sale (Note 6).