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Income Taxes (Tables)
12 Months Ended
Jun. 30, 2016
Income Tax Disclosure [Abstract]  
Schedule of income (loss) before income taxes
For the Years Ended June 30
  
2016
  
2015
  
2014
 
Domestic
   $2,027    $15,937    $(26,226)  
Foreign
    74,734     62,826     32,534  
Income (loss) before income taxes
   $76,761    $78,763    $6,308  
 
Schedule of components of the provision for income taxes
For the Years Ended June 30
  
2016
  
2015
  
2014
 
Current provision (benefit):    
Federal
   $(2,889)    $(468)    $(673)  
State and local
    (474)     (48)     (268)  
Foreign
    20,168     13,868     9,087  
Total current provision
    16,805     13,352     8,146  
Deferred provision (benefit):    
Federal
    (2,985)     6,157     (1,632)  
State and local
    911     1,311     (1,877)  
Foreign
    (989)     5,933     966  
Change in valuation allowance–domestic
    (19,588)     (7,468)     3,509  
Change in valuation allowance–foreign
    (121)     (802)     323  
Total deferred provision
    (22,772)     5,131     1,289  
Provision (benefit) for income taxes
   $(5,967)    $18,483    $9,435  
 
Schedule of reconciliations of the Federal statutory rate to the Company's effective tax rate
For the Years Ended June 30
  
2016
  
2015
  
2014
 
Federal income tax rate
    35.0%     35.0%     35.0%  
State and local taxes, net of federal benefit
    0.2     0.2     (0.9)  
Change in federal valuation allowance
    (27.8)     (7.8)     43.6  
Foreign income tax rates and change in foreign valuation allowance
    (5.5)     (2.2)     (67.2)  
Foreign withholding tax
    0.1     0.3     36.5  
Foreign incentive tax rates
    (4.5)     (4.1)     (30.1)  
Domestic tax on foreign income
    2.7     0.9     13.6  
Change in liability for uncertain tax positions
    (4.9)     1.5     (34.9)  
Repatriation of foreign earnings
              138.7  
Permanent items
    1.5     (0.6)     18.8  
Exercise of employee stock options
    (4.6)            
Other
         0.3     (3.5)  
Effective tax rate
    (7.8)%     23.5%     149.6%  
 
Schedule of the tax effects of significant temporary differences that comprise deferred tax assets and liabilities
As of June 30
  
2016
  
2015
 
Deferred tax assets:   
Employee related accruals
   $12,603    $9,778  
Inventory
    2,573     3,889  
Environmental remediation
    2,208     2,155  
Net operating loss carry forwards–domestic
    13,768     13,641  
Net operating loss carry forwards–foreign
    4,346     4,127  
Other
    7,566     5,418  
     43,064     39,008  
Valuation allowance
    (4,614)     (26,622)  
     38,450     12,386  
Deferred tax liabilities:   
Property, plant and equipment and intangible assets
    (9,725)     (11,088)  
Other
    (1,956)     (461)  
     (11,681)     (11,549)  
Net deferred tax asset
   $26,769    $837  
 
Schedule of deferred taxes included in the line items of the consolidated balance sheets
As of June 30
  
2016
  
2015
 
Prepaid expenses and other current assets
   $    $7,456  
Other assets
    28,019     222  
Other liabilities
    (1,250)     (6,841)  
    $26,769    $837  
 
Schedule of the valuation allowance for deferred tax assets
As of June 30
  
2016
  
2015
  
2014
 
Balance at beginning of period
   $26,622    $32,892    $27,753  
Provision for income taxes
    (19,709)     (6,270)     5,139  
Net operating loss utilization
    (2,299)            
Balance at end of period
   $4,614    $26,622    $32,892  
 
Schedule of the reconciliation of the beginning and ending amount of unrecognized tax benefits
As of June 30
   
2016
   
2015
   
2014
 
Unrecognized tax benefits–beginning of period
      $ 8,078         $ 7,420         $ 12,261    
Tax position changes–prior periods
        188           (24)           1,276    
Tax position changes–current period
        472           1,945           1,036    
Settlements with tax authorities
                            (2,215)    
Lapse of statute of limitations
        (3,700)           (907)           (5,157)    
Translation
        (92)           (356)           219    
Unrecognized tax benefits–end of period
      4,946         8,078         7,420    
Interest and penalties–end of period
        308           1,326           1,344    
Total liabilities related to uncertain tax 
positions
      $ 5,254         $ 9,404         $ 8,764