Property, Plant and Equipment, Net (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 2,977,273	$ 2,840,021
Accumulated depreciation	(1,851,840)	(1,776,390)
Property, plant and equipment, net	1,125,433	1,063,631
Depreciation	129,000	134,600	$ 157,300
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	49,049	53,652
Buildings and Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	322,264	320,833
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	2,409,820	2,386,245
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 196,140	$ 79,291