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FINANCIAL INSTRUMENTS AND RISK MANAGEMENT (Tables)

12 Months Ended

Mar. 31, 2025

Financial instruments [Abstract]

Disclosure of financial assets

Categories of financial instruments: The carrying values of the Company's financial instruments are classified into the following categories:

As at																					March 31, 2025
			Fair value through profit or loss						Amortized cost						Fair value through other comprehensive income						Total carrying value
Financial assets:
Cash and cash equivalents (i)			$	—					$	225,947					$	—					$	225,947
Trade accounts receivable			—						696,079						—						696,079
Financial liabilities:
Bank indebtedness			—						(27,271)						—						(27,271)
Trade accounts payable and accrued liabilities			—						(543,978)						—						(543,978)
Long-term debt			—						(1,543,678)						—						(1,543,678)
Derivative instruments:
Held for trading derivatives that are not designated in hedge accounting relationships – loss (ii)			(6,823)						—						—						(6,823)
Derivative instruments in designated hedge accounting relationships – loss (ii)			—						—						(12,255)						(12,255)
Cross-currency interest rate swap – loss (iii)			—						—						(6,192)						(6,192)
Interest rate swap instrument – loss (iii)			—						—						(6,534)						(6,534)

As at																					March 31, 2024
			Fair value  through profit or loss						Amortized cost						Fair value through other comprehensive income						Total  carrying value
Financial assets:
Cash and cash equivalents (i)			$	—					$	170,177					$	—					$	170,177
Trade accounts receivable			—						437,329						—						437,329
Financial liabilities:
Bank indebtedness			—						(4,060)						—						(4,060)
Trade accounts payable and accrued liabilities			—						(535,844)						—						(535,844)
Long-term debt			—						(1,171,972)						—						(1,171,972)
Derivative instruments:
Held for trading derivatives that are not designated in hedge accounting relationships – gain (ii)			600						—						—						600
Derivative instruments in designated hedge accounting relationships – gain (ii)			—						—						2,290						2,290
Cross-currency interest rate swap – gain (iii)			—						—						3,103						3,103
Interest rate swap instrument – gain (iii)			—						—						1,198						1,198

Disclosure of financial liabilities

Categories of financial instruments: The carrying values of the Company's financial instruments are classified into the following categories:

As at																					March 31, 2025
			Fair value through profit or loss						Amortized cost						Fair value through other comprehensive income						Total carrying value
Financial assets:
Cash and cash equivalents (i)			$	—					$	225,947					$	—					$	225,947
Trade accounts receivable			—						696,079						—						696,079
Financial liabilities:
Bank indebtedness			—						(27,271)						—						(27,271)
Trade accounts payable and accrued liabilities			—						(543,978)						—						(543,978)
Long-term debt			—						(1,543,678)						—						(1,543,678)
Derivative instruments:
Held for trading derivatives that are not designated in hedge accounting relationships – loss (ii)			(6,823)						—						—						(6,823)
Derivative instruments in designated hedge accounting relationships – loss (ii)			—						—						(12,255)						(12,255)
Cross-currency interest rate swap – loss (iii)			—						—						(6,192)						(6,192)
Interest rate swap instrument – loss (iii)			—						—						(6,534)						(6,534)

As at																					March 31, 2024
			Fair value  through profit or loss						Amortized cost						Fair value through other comprehensive income						Total  carrying value
Financial assets:
Cash and cash equivalents (i)			$	—					$	170,177					$	—					$	170,177
Trade accounts receivable			—						437,329						—						437,329
Financial liabilities:
Bank indebtedness			—						(4,060)						—						(4,060)
Trade accounts payable and accrued liabilities			—						(535,844)						—						(535,844)
Long-term debt			—						(1,171,972)						—						(1,171,972)
Derivative instruments:
Held for trading derivatives that are not designated in hedge accounting relationships – gain (ii)			600						—						—						600
Derivative instruments in designated hedge accounting relationships – gain (ii)			—						—						2,290						2,290
Cross-currency interest rate swap – gain (iii)			—						—						3,103						3,103
Interest rate swap instrument – gain (iii)			—						—						1,198						1,198

Disclosure of fair value measurement of assets

The following table summarizes the Company's financial instruments that are carried or disclosed at fair value and indicates the fair value hierarchy that reflects the significance of the inputs used in making the measurements:

As at																		March 31 2025
			Carrying value						Level 1			Level 2			Level 3			Fair value  total
Measured at fair value:
Held for trading derivatives that are not designated in hedge accounting relationships			$	(6,823)					$	—		$	(6,823)		$	—		$	(6,823)
Derivative instruments in designated hedge accounting relationships			(12,255)						—			(12,255)			—			(12,255)
Cross-currency interest rate swap			(6,192)						—			(6,192)			—			(6,192)
Interest rate swap instrument			(6,534)						—			(6,534)			—			(6,534)
Disclosed at fair value:
Long-term debt			(1,543,678)						—			(1,505,614)			—			(1,505,614)

As at																		March 31 2024
			Carrying value						Level 1			Level 2			Level 3			Fair value total
Measured at fair value:
Held for trading derivatives that are not designated in hedge accounting relationships			$	600					$	—		$	600		$	—		$	600
Derivative instruments in designated hedge accounting relationships			2,290						—			2,290			—			2,290
Cross-currency interest rate swap			3,103						—			3,103			—			3,103
Interest rate swap instrument			1,198						—			1,198			—			1,198
Disclosed at fair value:
Long-term debt			(1,171,972)						—			(1,130,183)			—			(1,130,183)

Disclosure of fair value measurement of liabilities

The following table summarizes the Company's financial instruments that are carried or disclosed at fair value and indicates the fair value hierarchy that reflects the significance of the inputs used in making the measurements:

As at																		March 31 2025
			Carrying value						Level 1			Level 2			Level 3			Fair value  total
Measured at fair value:
Held for trading derivatives that are not designated in hedge accounting relationships			$	(6,823)					$	—		$	(6,823)		$	—		$	(6,823)
Derivative instruments in designated hedge accounting relationships			(12,255)						—			(12,255)			—			(12,255)
Cross-currency interest rate swap			(6,192)						—			(6,192)			—			(6,192)
Interest rate swap instrument			(6,534)						—			(6,534)			—			(6,534)
Disclosed at fair value:
Long-term debt			(1,543,678)						—			(1,505,614)			—			(1,505,614)

As at																		March 31 2024
			Carrying value						Level 1			Level 2			Level 3			Fair value total
Measured at fair value:
Held for trading derivatives that are not designated in hedge accounting relationships			$	600					$	—		$	600		$	—		$	600
Derivative instruments in designated hedge accounting relationships			2,290						—			2,290			—			2,290
Cross-currency interest rate swap			3,103						—			3,103			—			3,103
Interest rate swap instrument			1,198						—			1,198			—			1,198
Disclosed at fair value:
Long-term debt			(1,171,972)						—			(1,130,183)			—			(1,130,183)

Disclosure of credit risk

Trade receivables – aged by due date as at			March 31 2025						March 31 2024
Current			$	594,154					$	316,492
1 – 30 days			31,548						68,454
31 – 60 days			18,521						12,537
61 – 90 days			8,141						13,554
Over 90 days			52,891						32,533
Total			$	705,255					$	443,570

Disclosure of allowance for credit losses

The movement in the Company's allowance for doubtful accounts for the years ended March 31 was as follows:

			2025						2024
Balance, at April 1			$	6,241					$	6,501
Provision for doubtful accounts			2,722						2,135
Amounts written off			(536)						(201)
Recoveries			(239)						(2,114)
Foreign exchange			988						(80)
Balance, at March 31			$	9,176					$	6,241

Disclosure of maturity analysis for non-derivative financial liabilities

Trade payables – aged by due date as at			March 31 2025						March 31 2024
1 – 30 days			$	189,242					$	179,521
31 – 60 days			35,959						27,514
61 – 90 days			21,209						7,732
Over 90 days			20,769						6,697
Total			$	267,179					$	221,464

Scheduled principal repayments and interest payments on long-term debt as at March 31, 2025 are as follows (variable interest repayments on the Credit Facility are not reflected in the table below as they fluctuate based on the amounts drawn):

			Principal						Interest
Less than one year			$	219					$	59,758
One - two years			437,156						59,741
Two - three years			15,887						59,723
Three - four years			503,924						59,704
Four - five years			365						38,911
Thereafter			601,566						96,151
			$	1,559,117					$	373,988

Disclosure of detailed information about hedged items

The following table summarizes the Company's outstanding cash flow hedge positions to buy and sell foreign currencies under forward foreign exchange contracts and cross-currency interest rate swaps:

As at																					March 31, 2025
									Carrying amount						Hedging instrument			Hedged item			Cash flow hedge reserves
Item sold			Item bought			Nominal amount (in CAD)			Assets			Liabilities			Changes in fair value used for calculating hedge ineffectiveness			Changes in fair value used for calculating hedge ineffectiveness			For continuing hedges			For discontinued hedges
Derivative hedging instruments (i)
U.S. dollars			Canadian dollars			394,482			—			7,160			7,160			7,160			7,160			—
Euros			Canadian dollars			159,280			—			4,888			4,888			4,888			4,888			—
U.S. dollars			Euros			8,734			29			—			29			29			29			—
Euros			U.S. dollars			20,590			—			242			242			242			242			—
Euros			Czech Koruna			622			6			—			6			6			6			—
Cross-currency interest rate swap instruments (ii)
U.S. dollars			Canadian dollars			251,790			3,939			—			(13,265)			(13,265)			3,939			—
Canadian dollars			Euros			257,284			—			10,131			3,970			3,970			10,131			—
Interest rate swap instrument (ii)
Variable rate			Fixed rate			300,000			—			6,534			(7,732)			(7,732)			6,534			—

As at																					March 31, 2024
									Carrying amount						Hedging instrument			Hedged item			Cash flow hedge reserves
Currency sold			Currency bought			Nominal amount (in CAD)			Assets			Liabilities			Changes in fair value used for calculating hedge ineffectiveness			Changes in fair value used for calculating hedge ineffectiveness			For continued hedges			For discontinued hedges
Derivative hedging instruments (i)
U.S. dollars			Canadian dollars			233,244			1,024			—			1,024			1,024			1,024			—
Euros			Canadian dollars			98,103			1,559			—			1,559			1,559			1,559			—
U.S. dollars			Euros			18,648			—			204			204			204			204			—
Euros			U.S. dollars			10,763			—			26			26			26			26			—
Euros			Czech Koruna			2,740			—			63			63			63			63			—
Cross-currency interest rate swap instruments (ii)
U.S. dollars			Canadian dollars			237,038			17,204			—			1,017			1,017			17,204			—
Canadian dollars			Euros			235,477			—			14,101			(3,383)			(3,383)			14,101			—
Interest rate swap instrument (ii)
Variable rate			Fixed rate			406,350			1,198			—			732			732			1,198			—

Disclosure of information about terms and conditions of hedging instruments and how they affect future cash flows

As at March 31, 2025, the Company is holding the following forward foreign exchange contracts to hedge the exposure on its revenues and purchases:

As at																														March 31, 2025
						Less than 3 months						3 to 6 months						6 to 9 months						9 to 12 months						1 to 2 years
Currency sold			Currency bought			Nominal amount			Average hedged rate			Nominal amount			Average hedged rate			Nominal amount			Average hedged rate			Nominal amount			Average hedged rate			Nominal amount			Average hedged rate
Revenue hedges
Euros			U.S. dollars			8,092			1.054			1,323			1.058			—			—			—			—			—			—
U.S. dollars			Canadian dollars			48,977			1.370			48,847			1.369			41,006			1.388			56,221			1.406			194,238			1.397
Euros			Canadian dollars			38,633			1.517			31,342			1.515			34,548			1.511			18,674			1.500			32,680			1.495
U.S. dollars			Euros			7,032			0.922			1,122			0.926			—			—			484			0.946			97			0.941
Euros			Czech Koruna			467			25.220			156			25.230			—			—			—			—			—			—
Purchase hedges
U.S. dollars			Canadian dollars			5,193			1.428			—			—			—			—			—			—			—			—
Euros			U.S. dollars			2,949			1.081			2,910			1.088			2,795			1.092			2,521			1.098			—			—
Euros			Canadian dollars			3,403			1.496			—			—			—			—			—			—			—			—

As at																														March 31, 2024
						Less than 3 months						3 to 6 months						6 to 9 months						9 to 12 months						1 to 2 years
Currency sold			Currency bought			Nominal amount			Average hedged rate			Nominal amount			Average hedged rate			Nominal amount			Average hedged rate			Nominal amount			Average hedged rate			Nominal amount			Average hedged rate
Revenue hedges
U.S. dollars			Canadian dollars			65,780			1.352			48,247			1.353			42,539			1.351			24,381			1.360			47,408			1.363
Euros			Canadian dollars			24,842			1.479			28,130			1.483			12,056			1.495			8,768			1.512			20,458			1.524
U.S. dollars			Euros			11,170			0.907			5,224			0.928			2,198			0.905			—			—			—			—
Euros			Czech Koruna			1,279			24.523			877			24.866			584			24.958			—			—			—			—
Purchase hedges
U.S. dollars			Canadian dollars			4,889			1.339			—			—			—			—			—			—			—			—
Euros			U.S. dollars			2,192			1.084			3,208			1.088			3,317			1.093			2,046			1.098			—			—
U.S. dollars			Euros			56			0.919			—			—			—			—			—			—			—			—
Euros			Canadian dollars			3,513			1.480			336			1.473			—			—			—			—			—			—

Disclosure of hedge accounting

The following summarizes the Company's amounts included in other comprehensive income that relate to hedge accounting:

As at												March 31, 2025
Cash flow hedges			Change in the value of the hedging instrument recognize in OCI gain (loss)			Hedge ineffectiveness recognized in profit or loss			Amount reclassified from the cash flow hedge reserve to profit or loss gain (loss)			Line item affected in profit or loss because of the reclassification
Foreign exchange risk:
Revenue hedges			$	(14,744)		$	—		$	(3,529)		Revenues
Purchase hedges			199			—			(91)			Cost of revenues
Cross-currency interest rate swap			(3,839)			500			—			Net finance costs
Interest rate swap instrument			(7,732)			—			—			Net finance costs

As at												March 31, 2024
Cash flow hedges			Change in the value of the hedging instrument recognize in OCI gain (loss)			Hedge ineffectiveness recognized in profit or loss			Amount reclassified from the cash flow hedge reserve to profit or loss gain (loss)			Line item affected in profit or loss because of the reclassification
Foreign exchange risk:
Revenue hedges			$	7,154		$	—		$	(1,706)		Revenues
Purchase hedges			(4)			—			(80)			Cost of revenues
Cross-currency interest rate swap			1,016			—			—			Net finance costs
Interest rate swap instrument			732			—			—			Net finance costs

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