Restructuring - Additional Information (Detail) - 2020 MAP to Growth - USD ($) $ in Millions	1 Months Ended	3 Months Ended
	May 31, 2018	Aug. 31, 2018
Restructuring Cost And Reserve [Line Items]
First phases of multi-year restructuring plan, initiation month and year	May 31, 2018
Restructuring plan, expected to be formulated		during our second quarter ending November 30, 2018.
Restructuring plan, anticipated to be completed		by the end of calendar year 2020
Consumer Segment
Restructuring Cost And Reserve [Line Items]
Payments associated with initial phase of restructuring activities, expected to be completed, period of fiscal 2019	7 months
Consumer Segment | Cost of Sales
Restructuring Cost And Reserve [Line Items]
Inventory-related charges		$ 0.2
Industrial Segment
Restructuring Cost And Reserve [Line Items]
Payments associated with initial phase of restructuring activities, expected to be completed, period of fiscal 2019	5 months
Industrial Segment | Cost of Sales
Restructuring Cost And Reserve [Line Items]
Inventory-related charges		$ 4.5