INCOME TAXES (Tables)

12 Months Ended

Jun. 30, 2020

Income Tax Disclosure [Abstract]

Schedule of Effective Income Tax Rate Reconciliation

A reconciliation of the combined Canadian federal and provincial income tax rate with our effective income tax rate is as follows:

	Year Ended June 30,
	2020			2019			2018
Expected statutory rate	26.5		%	26.5		%	26.5		%
Expected provision for income taxes	$	91,479		$	116,752		$	102,323
Effect of foreign tax rate differences	218			(1,344		)	2,352
Change in valuation allowance	(222		)	(5,045		)	1,779
Amortization of deferred charges	—			—			4,242
Effect of permanent differences	1,215			(577		)	4,332
Effect of changes in unrecognized tax benefits	(19,284		)	31,992			5,543
Effect of withholding taxes	8,036			2,097			7,927
Difference in tax filings from provision	933			(250		)	1,321
Effect of U.S. tax reform	—			—			19,037
Effect of tax credits for research and development	(14,947		)	(13,550		)	(3,875		)
Effect of accrual for undistributed earnings	4,233			(13,112		)	(1,154		)
Effect of US BEAT	41,207			16,030			—
Effect of CARES Act	(7,009		)	—			—
Other Items	4,527			5,473			(1		)
Impact of internal reorganization of subsidiaries	451			16,471			—
	$	110,837		$	154,937		$	143,826

Schedule of Income before Income Tax, Domestic and Foreign

The following is a geographical breakdown of income before the provision for income taxes:

	Year Ended June 30,
	2020		2019		2018
Domestic income (loss)	$	241,862	$	269,331	$	238,405
Foreign income	103,343		171,243		147,721
Income before income taxes	$	345,205	$	440,574	$	386,126

Schedule of Components of Income Tax Expense (Benefit)

The provision for (recovery of) income taxes consisted of the following:

	Year Ended June 30,
	2020			2019			2018
Current income taxes (recoveries):
Domestic	$	12,547		$	7,862		$	5,313
Foreign	46,902			99,650			48,777
	59,449			107,512			54,090
Deferred income taxes (recoveries):
Domestic	68,580			52,889			61,678
Foreign	(17,192		)	(5,464		)	28,058
	51,388			47,425			89,736
Provision for (recovery of) income taxes	$	110,837		$	154,937		$	143,826

Schedule of Deferred Tax Assets and Liabilities

The primary components of the deferred tax assets and liabilities are as follows, for the periods indicated below:

	June 30,
	2020			2019
Deferred tax assets
Non-capital loss carryforwards	$	208,248		$	161,119
Capital loss carryforwards	152			155
Undeducted scientific research and development expenses	160,354			137,253
Depreciation and amortization	415,516			683,777
Restructuring costs and other reserves	21,999			17,845
Deferred revenue	60,026			53,254
Other	76,031			59,584
Total deferred tax asset	$	942,326		$	1,112,987
Valuation Allowance	$	(81,810	)	$	(77,328	)
Deferred tax liabilities
Scientific research and development tax credits	$	(14,361	)	$	(14,482	)
Other	(83,328		)	(72,599		)
Deferred tax liabilities	$	(97,689	)	$	(87,081	)
Net deferred tax asset	$	762,827		$	948,578
Comprised of:
Long-term assets	911,565			1,004,450
Long-term liabilities	(148,738		)	(55,872		)
	$	762,827		$	948,578

Summary of Income Tax Contingencies

The aggregate changes in the balance of our gross unrecognized tax benefits (including interest and penalties) were as follows:

Unrecognized tax benefits as of July 1, 2018	$	177,812
Increases on account of current year positions	25,642
Increases on account of prior year positions	15,024
Decreases due to settlements with tax authorities	—
Decreases due to lapses of statutes of limitations	(9,236		)
Unrecognized tax benefits as of June 30, 2019	$	209,242
Increases on account of current year positions	7,296
Increases on account of prior year positions	17,853
Decreases due to settlements with tax authorities	(20,457		)
Decreases due to lapses of statutes of limitations	(18,853		)
Unrecognized tax benefits as of June 30, 2020	$	195,081

Interest and Penalties Related to Liabilities for Income Tax Expense

For the year ended June 30, 2020, 2019 and 2018, we recognized the following amounts as income tax-related interest expense and penalties:

	Year Ended June 30,
	2020		2019		2018
Interest expense (recoveries)	$	5,764	$	10,512	$	6,233
Penalties expense (recoveries)	327		945		(191		)
Total	$	6,091	$	11,457	$	6,042

Interest Accrued and Penalties Accrued Related to Income Tax Expense

The following amounts have been accrued on account of income tax-related interest expense and penalties:

	As of June 30, 2020		As of June 30, 2019
Interest expense accrued *	$	70,364	$	64,530
Penalties accrued *	$	2,620	$	2,525

* These balances are primarily included within "Long-term income taxes payable" within the Consolidated Balance Sheets.