Property, Plant and Equipment (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Abstract]
Land	$ 174,620	$ 174,654
Buildings	666,697	646,098
Leasehold improvements	76,985	76,389
Machinery and equipment	1,850,012	1,809,037
Construction in progress	32,116	34,587
Property, plant and equipment, gross	2,800,430	2,740,765
Less accumulated depreciation	(1,626,293)	(1,568,169)
Total	1,174,137	1,172,596
Depreciation expense	$ 149,700	$ 156,500	$ 161,800