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INCOME TAXES
9 Months Ended
Jul. 30, 2017
Income Tax Disclosure [Abstract]  
INCOME TAXES
INCOME TAXES
The effective tax rate for the three months ended July 30, 2017 was 35.1%, compared to 32.9% for the same period in the prior year. The change in effective tax rate was primarily driven by the reversal of reserve for uncertain tax positions in the three month period ended July 30, 2016. There was no corresponding benefit in the three months ended July 30, 2017. 

The effective tax rate for the nine months ended July 30, 2017 was 34.6%, compared to 32.3% for the same period in the prior year. The change in the effective tax rate was primarily driven by an adjustment in the first quarter of fiscal 2016 related to the research and development credit for fiscal year 2015 that was permanently extended in the Protecting Americans from Tax Hikes Act of 2015 and was signed into law in fiscal year 2016 as well as the nontaxable gain on bargain purchase from the Hamilton acquisition. There were no corresponding items in the nine months ended July 30, 2017.