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Income Taxes
9 Months Ended
Oct. 01, 2016
Income Tax Disclosure [Abstract]  
Income Taxes
Income Taxes

The Corporation's tax provision for interim periods is determined using an estimate of its annual effective tax rate, adjusted for discrete items. The Corporation's income tax provision for the three months ended October 1, 2016 was $16.8 million on pre-tax income of $50.6 million or an effective tax rate of 33.2 percent. For the three months ended October 3, 2015, the Corporation's income tax provision was $18.6 million on pre-tax income of $59.5 million or an effective tax rate of 31.3 percent. The effective tax rate was higher in the three months ended October 1, 2016 principally due to bonus depreciation not being enacted as of October 3, 2015, which caused a higher expected U.S. manufacturing deduction and, indirectly, a lower effective tax rate for October 3, 2015 as compared to the current quarter. The provision for income taxes for the nine months ended October 1, 2016 reflects an effective tax rate of 34.1 percent compared to 33.8 percent for the same period last year. The drivers of the change in effective tax rate for the first nine months were the same as those for the quarter.