Property, Plant and Equipment - Schedule of Property Plant And Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Property Plant And Equipment [Abstract]
Buildings and leasehold improvements, Gross	$ 183,174	$ 124,920
Machinery and equipment	660,406	577,402
Property, plant and equipment, at cost	843,580	702,322
Less: Accumulated depreciation and amortization	(479,898)	(437,792)
Net	363,682	264,530
Construction in-progress	39,426	26,202
Land	36,232	19,199
Property, plant and equipment, net	$ 439,340	$ 309,931	$ 322,013