Schedule of Property Plant and Equipment Net (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 1,559,968	$ 1,421,317
Accumulated depreciation	(549,100)	(472,635)
Total property, plant and equipment, net	1,010,868	948,682
Building and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	725,906	694,447
Manufacturing and laboratory equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	366,951	345,947
Computer hardware and software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	167,554	157,787
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	51,324	41,188
Furniture and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	38,569	33,234
Land improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	7,349	6,551
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	90,418	77,993
Construction-in-progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 111,897	$ 64,170