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INCOME TAXES (Tables)
12 Months Ended
Jun. 30, 2021
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,
202120202019
Expected statutory rate26.50 %26.50 %26.50 %
Expected provision for income taxes$172,454 $91,479 $116,752 
Effect of foreign tax rate differences(4,309)218 (1,344)
Change in valuation allowance(5,900)(222)(5,045)
Effect of permanent differences(1,885)1,215 (577)
Effect of changes in unrecognized tax benefits(86,170)(19,284)31,992 
Effect of withholding taxes8,500 8,036 2,097 
Difference in tax filings from provision(2,162)933 (250)
Effect of tax credits for research and development(16,086)(14,947)(13,550)
Effect of accrual for undistributed earnings3,209 4,233 (13,112)
Effect of US BEAT7,967 41,207 16,030 
Effect of CARES Act— (7,009)— 
Effect of IRS Settlement300,460 — — 
Impact of internal reorganization of subsidiaries(33,676)451 16,471 
Other Items(2,496)4,527 5,473 
$339,906 $110,837 $154,937 
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,
202120202019
Domestic income (loss)$462,315 $241,862 $269,331 
Foreign income188,455 103,343 171,243 
Income before income taxes$650,770 $345,205 $440,574 
Schedule of Components of Income Tax Expense (Benefit)
The provision for (recovery of) income taxes consisted of the following:
Year Ended June 30,
202120202019
Current income taxes (recoveries):
Domestic$310,615 $12,547 $7,862 
Foreign(43,748)46,902 99,650 
266,867 59,449 107,512 
Deferred income taxes (recoveries):
Domestic111,232 68,580 52,889 
Foreign(38,193)(17,192)(5,464)
73,039 51,388 47,425 
Provision for (recovery of) income taxes$339,906 $110,837 $154,937 
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:
As of June 30,
20212020
Deferred tax assets
Non-capital loss carryforwards$174,486 $208,248 
Capital loss carryforwards5,570 152 
Undeducted scientific research and development expenses197,791 160,354 
Depreciation and amortization391,974 415,516 
Restructuring costs and other reserves24,919 21,999 
Deferred revenue11,388 60,026 
Other73,236 76,031 
Total deferred tax asset$879,364 $942,326 
Valuation allowance$(72,888)$(81,810)
Deferred tax liabilities
Scientific research and development tax credits$(15,080)$(14,361)
Other(102,882)(83,328)
Deferred tax liabilities$(117,962)$(97,689)
Net deferred tax asset$688,514 $762,827 
Comprised of:
Long-term assets796,738 911,565 
Long-term liabilities(108,224)(148,738)
$688,514 $762,827 
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 June 30, 2019$209,242 
Increases on account of current year positions7,296 
Increases on account of prior year positions17,853 
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 
Increases on account of current year positions1,279 
Increases on account of prior year positions773 
Decreases due to settlements with tax authorities(158,070)
Decreases due to lapses of statutes of limitations(2,314)
Unrecognized tax benefits as of June 30, 2021$36,749 
Interest and Penalties Related to Liabilities for Income Tax Expense For the year ended June 30, 2021, 2020 and 2019, respectively, we recognized the following amounts as income tax-related interest expense and penalties:
Year Ended June 30,
202120202019
Interest expense (recoveries)$44,657 $5,764 $10,512 
Penalties expense (recoveries)1,125 327 945 
Total$45,782 $6,091 $11,457 
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, 2021As of June 30, 2020
Interest expense accrued (1)
$5,166 $70,364 
Penalties accrued (1)
$2,605 $2,620 
(1) These balances are primarily included within "Long-term income taxes payable" within the Consolidated Balance Sheets.