Property, Plant and Equipment - Summary of Property Plant and Equipment (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment	$ 1,361,680	$ 1,199,443
Accumulated depreciation	(529,411)	(434,074)
Property, Plant and Equipment, Net, Total	832,269	765,369
Land and improvements [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment	71,002	71,079
Building and improvements [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment	266,325	237,499
Machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment	870,429	760,250
Construction in progress [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment	$ 153,924	$ 130,615
Minimum [Member] | Land and improvements [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	10 years
Minimum [Member] | Building and improvements [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	10 years
Minimum [Member] | Machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	5 years
Maximum [Member] | Land and improvements [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	25 years
Maximum [Member] | Building and improvements [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	40 years
Maximum [Member] | Machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	10 years