Restructuring Activities - Additional Information (Detail) $ in Thousands						4 Months Ended
	Jul. 02, 2018 Segment	Sep. 25, 2017 Employee	Sep. 07, 2017	Jul. 17, 2017	May 03, 2017 BusinessUnit	Apr. 18, 2020	Apr. 20, 2019 USD ($)
Restructuring Cost And Reserve [Line Items]
Impairment charges							$ 530
Manufacturing Lines
Restructuring Cost And Reserve [Line Items]
Impairment charges							$ 500
Develop Leading Capabilities
Restructuring Cost And Reserve [Line Items]
Number of operating segments | Segment	1
Launch of Project Centennial
Restructuring Cost And Reserve [Line Items]
Restructuring activities, expected completion year						2021
Launch of Project Centennial | Develop Leading Capabilities
Restructuring Cost And Reserve [Line Items]
Number of new organizational structure business units established | BusinessUnit					2
Launch of Project Centennial | Employee Severance | Voluntary Employee Separation Incentive Plan
Restructuring Cost And Reserve [Line Items]
Voluntary employee separation incentive plan commencement date				Jul. 17, 2017
Election period closing date		Sep. 25, 2017
Approximate number of employees accepted offer | Employee		325
Separations beginning date			Sep. 07, 2017