Restructuring and Related Charges - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2019	Mar. 31, 2019
Restructuring Cost And Reserve [Line Items]
Restructuring and related charges		$ 1,591
2019 Restructuring Plan
Restructuring Cost And Reserve [Line Items]
Restructuring and related charges		1,600
Total annualized savings		7,200
Healthcare | 2019 Restructuring Plan
Restructuring Cost And Reserve [Line Items]
Restructuring and related charges		1,000
Total annualized savings		3,500
Nutrition | 2019 Restructuring Plan
Restructuring Cost And Reserve [Line Items]
Restructuring and related charges		600
Total annualized savings		$ 3,700
Nutrition | 2019 Restructuring Plan | Scenario, Forecast
Restructuring Cost And Reserve [Line Items]
Severance and other employee-related costs	$ 800