Income Taxes (Detail) $ in Millions	3 Months Ended
	Jan. 24, 2016 USD ($)
INCOME TAXES
Unrecognized tax benefits including interest and penalties	$ 25.6
Portion of unrecognized tax benefit including interest and penalties, that if recognized, would impact effective tax rate	16.6
Interest and penalties expense related to uncertain tax positions recognized in income tax expense	0.3
Accrued interest and penalties, associated with unrecognized tax benefits	$ 3.5