Schedule of Property Plant and Equipment (Detail)	12 Months Ended
	Dec. 31, 2019
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, estimated useful life	Shorter of life of asset or lease term
Building and improvements | Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life, (in years)	20 years
Building and improvements | Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life, (in years)	50 years
Manufacturing and laboratory equipment | Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life, (in years)	5 years
Manufacturing and laboratory equipment | Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life, (in years)	15 years
Computer hardware and software | Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life, (in years)	3 years
Computer hardware and software | Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life, (in years)	5 years
Office Furniture and Equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life, (in years)	5 years
Vehicles
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life, (in years)	5 years
Land improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life, (in years)	10 years