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Income Taxes
6 Months Ended
Jun. 28, 2014
Income Tax Disclosure [Abstract]  
Income Tax Disclosure
Income Taxes
The Company’s provision for income taxes in interim periods is computed by applying the appropriate estimated annual effective tax rates to income or loss before income taxes for the period. The Company adjusts its effective tax rate each quarter to be consistent with the estimated annual effective tax rate and records the tax impact of certain unusual or infrequently occurring items, including changes in judgment about valuation allowances and effects of changes in tax laws or rates, in the interim period in which they occur.
The components of the effective tax rate are as follows (in thousands, except percentage):
 
Quarters Ended
 
Six Months Ended
 
June 28,
2014
 
June 29,
2013
 
June 28,
2014
 
June 29,
2013
Loss before income taxes
$
(9,290
)
 
$
(1,177
)
 
$
(54,198
)
 
$
(32,352
)
Income tax expense
1,318

 
1,962

 
2,759

 
2,131

Effective tax rate
(14.2
)%
 
(166.7
)%
 
(5.1
)%
 
(6.6
)%

The effective tax rates for the quarters and six months ended June 28, 2014 and June 29, 2013 vary from the statutory rate primarily as a result of operating losses in the U.S. with no tax benefit recognized due to the valuation allowance against net U.S. deferred tax assets and income tax expense on foreign income.