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Income Taxes (Tables)
12 Months Ended
Jun. 30, 2016
Income Tax Disclosure [Abstract]  
Summary of Geographical Income Before Provision for Income Taxes
The following is a geographical breakdown of income before the provision for income taxes:
 
Year Ended June 30,  
 
2016
 
2015
 
2014
Domestic income (loss)
$
(80,066
)
 
$
(26,927
)
 
$
(11,623
)
Foreign income
370,843

 
292,971

 
288,158

Income before income taxes
$
290,777

 
$
266,044

 
$
276,535

Summary of Components of Income Tax Expense (Benefit)
The provision for income taxes consisted of the following:
 
Year Ended June 30,  
 
2016
 
2015
 
2014
Current income taxes (recoveries):
 
 
 
 
 
Domestic
$
(3,119
)
 
$
(839
)
 
$
1,424

Foreign
63,862

 
47,055

 
69,371

 
60,743

 
46,216

 
70,795

Deferred income taxes (recoveries):
 

 
 

 
 

Domestic
(44,569
)
 
3,390

 
5,901

Foreign
(9,892
)
 
(17,968
)
 
(18,235
)
 
(54,461
)
 
(14,578
)
 
(12,334
)
Provision for income taxes
$
6,282

 
$
31,638

 
$
58,461

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,  
 
2016
 
2015
 
2014
Expected statutory rate
26.5
%
 
26.5
%
 
26.5
%
Expected provision for income taxes
$
77,056

 
$
70,501

 
$
73,282

Effect of foreign tax rate differences
(71,478
)
 
(57,017
)
 
(52,577
)
Change in valuation allowance
(34,999
)
 
6,617

 
3,281

Amortization of deferred charges
11,316

 
10,525

 
11,307

Effect of permanent differences
10,711

 
1,321

 
7,643

Effect of changes in unrecognized tax benefits
(264
)
 
(1,800
)
 
13,214

Effect of withholding taxes
3,457

 
3,045

 
2,234

Difference in tax filings from provision
8,959

 
1,657

 
(2,581
)
Other items
1,524

 
(3,211
)
 
2,658

 
$
6,282

 
$
31,638

 
$
58,461

Components 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,  
 
2016
 
2015
Deferred tax assets
 
 
 
Non-capital loss carryforwards
$
230,936

 
$
223,812

Capital loss carryforwards
473

 
3,470

Undeducted scientific research and development expenses
92,595

 
80,804

Depreciation and amortization
20,977

 
25,974

Restructuring costs and other reserves
16,008

 
17,271

Deferred revenue
72,537

 
75,067

Other
41,985

 
47,581

Total deferred tax asset
$
475,511

 
$
473,979

Valuation allowance
$
(88,208
)
 
$
(133,459
)
Deferred tax liabilities
 
 
 
Scientific research and development tax credits
$
(11,478
)
 
$
(6,831
)
Acquired intangibles
(145,891
)
 
(180,457
)
Other
(68,004
)
 
(37,292
)
Deferred tax liabilities
$
(225,373
)
 
$
(224,580
)
Net deferred tax asset
$
161,930

 
$
115,940

Comprised of:
 
 
 
Long-term assets
241,161

 
181,587

Long-term liabilities
(79,231
)
 
(65,647
)
 
$
161,930

 
$
115,940

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, 2014
$
190,219

Increases on account of current year positions
5,881

Increases on account of prior year positions
1,376

Decreases due to settlements with tax authorities
(3,084
)
Decreases due to lapses of statutes of limitations
(14,143
)
Unrecognized tax benefits as of July 1, 2015
$
180,249

Increases on account of current year positions
4,669

Increases on account of prior year positions
8,366

Decreases due to settlements with tax authorities
(1,147
)
Decreases due to lapses of statutes of limitations
(17,652
)
Unrecognized tax benefits as of June 30, 2016
$
174,485

Interest and Penalties Related to Liabilities for Income Tax Expense
For the years ended June 30, 2016, 2015 and 2014, we recognized the following amounts as income tax-related interest expense and penalties:
 
 
Year Ended June 30,
 
 
2016
 
2015
 
2014
Interest expense
 
$
6,534

 
$
4,451

 
$
6,969

Penalties expense (recoveries)
 
(2,761
)
 
(2,032
)
 
287

Total
 
$
3,773

 
$
2,419

 
$
7,256

Interest Accrued and Penalties Accrued Related to Income Tax Expense
As of June 30, 2016 and 2015, the following amounts have been accrued on account of income tax-related interest expense and penalties:
 
As of June 30, 2016
 
As of June 30, 2015
Interest expense accrued *
$
34,476

 
$
28,827

Penalties accrued *
$
1,615

 
$
5,040

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