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INCOME TAXES (Tables)
12 Months Ended
Jun. 30, 2017
Income Tax Disclosure [Abstract]  
Components of income before provision for income taxes
For financial reporting purposes, the components of income before provision for income taxes were as follows (in thousands):

 
 
Years Ended June 30,
 
 
2017
 
2016
 
2015
Domestic
 
$
81,957

 
$
60,073

 
$
44,743

Foreign
 
203,067

 
179,867

 
101,005

 
 
$
285,024

 
$
239,940

 
$
145,748

Components of provision for income taxes
The components of the Company’s provision for income taxes consisted of the following (in thousands):
 
 
 
Years Ended June 30,
 
 
2017
 
2016
 
2015
Current
 
 
 
 
 
 
Federal
 
$
25,533

 
$
25,635

 
$
15,786

State
 
360

 
(149
)
 
299

Foreign
 
2,563

 
1,983

 
909

Current tax expense
 
28,456

 
27,469

 
16,994

Deferred
 
 
 
 
 
 
Federal
 
(858
)
 
(1,116
)
 
(856
)
State
 
(80
)
 
(29
)
 
(53
)
Foreign
 

 

 

Deferred tax expense
 
(938
)
 
(1,145
)
 
(909
)
Provision for income taxes
 
$
27,518

 
$
26,324

 
$
16,085

Effective to statutory income tax rate reconciliation
The effective tax rate differs from the applicable U.S. statutory federal income tax rate as follows:
 
 
 
Years Ended June 30,
 
 
2017
 
2016
 
2015
Statutory rate
 
35.0
 %
 
35.0
 %
 
35.0
 %
Tax rate differential, foreign income
 
(23.3
)
 
(24.4
)
 
(23.2
)
State tax expense
 
0.3

 
(0.1
)
 
0.1

Stock-based compensation
 
(2.5
)
 
0.3

 
0.6

Federal research and development credits
 
(0.4
)
 
(0.6
)
 
(1.1
)
Other permanent items
 
0.6

 
0.8

 
(0.4
)
Effective tax rate
 
9.7
 %
 
11.0
 %
 
11.0
 %
Significant components of deferred tax assets and liabilities
Significant components of the Company’s deferred tax assets and liabilities consisted of the following (in thousands): 
 
 
June 30,
 
 
2017
 
2016
Deferred tax assets
 
 
 
 
Reserves and Allowances
 
$
2,215

 
$
1,539

Stock-based compensation
 
712

 
998

Accrued expenses
 
371

 
363

Research and development credits
 

 
146

State tax
 
1,110

 
925

Other
 
782

 
482

Total deferred tax assets
 
5,190

 
4,453

Deferred tax liabilities
 
 
 
 
Basis difference for fixed assets
 
(57
)
 
(112
)
Total deferred tax liabilities
 
(57
)
 
(112
)
Valuation allowance
 

 
(146
)
Net deferred tax assets
 
$
5,133

 
$
4,195

Reconciliation of beginning and ending balances of unrecognized tax benefits
A reconciliation of the beginning and ending balances of the unrecognized tax benefits during the years ended June 30, 2017, 2016 and 2015 consists of the following (in thousands):
 
 
 
Years Ended June 30,
 
 
2017
 
2016
 
2015
 
 
(In thousands)
Unrecognized benefit—beginning of year
 
$
22,851

 
$
19,590

 
$
14,914

Gross increases—current year tax positions
 
5,184

 
3,879

 
4,960

Gross decreases - prior year tax positions due to statute lapse
 
(597
)
 
(618
)
 
(284
)
Unrecognized benefit—end of year
 
$
27,438

 
$
22,851

 
$
19,590