Subsequent Events - Additional Information (Detail) $ in Thousands		3 Months Ended	6 Months Ended
	Jul. 17, 2020 Position	Jul. 11, 2020 USD ($)	Jul. 11, 2020 USD ($)	Jul. 13, 2019 USD ($)	Oct. 03, 2020 USD ($)
Subsequent Event [Line Items]
Restructuring expenses recognized			$ 1,265	$ 984
Subsequent Event
Subsequent Event [Line Items]
Number of positions eliminated in different departments | Position	250
Voluntary Employee Separation Incentive Plan
Subsequent Event [Line Items]
Restructuring expenses recognized		$ 1,300	$ 1,265
Voluntary Employee Separation Incentive Plan | Scenario Forecast | Minimum
Subsequent Event [Line Items]
Expected remaining restructuring expenses					$ 6,800
Voluntary Employee Separation Incentive Plan | Scenario Forecast | Maximum
Subsequent Event [Line Items]
Expected remaining restructuring expenses					$ 7,200