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Taxes on income from continuing operations
3 Months Ended
Mar. 27, 2016
Income Tax Disclosure [Abstract]  
Taxes on income from continuing operations
Taxes on income from continuing operations
 
Three Months Ended
 
March 27, 2016
 
March 29, 2015
Effective income tax rate
4.9%
 
19.2%

The effective income tax rate for the three months ended March 27, 2016 and March 29, 2015 was 4.9% and 19.2%, respectively. The decrease in the effective income tax rate for the three months ended March 27, 2016 is primarily due to a tax benefit realized on the settlement of a foreign tax audit as well as a tax benefit associated with a reduction in the estimated deferred tax with respect to non-permanently reinvested income due to an increase in the estimated foreign tax credits available to reduce the U.S. tax on a future repatriation.