Property, Plant and Equipment - Schedule of Property Plant And Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Property Plant And Equipment [Abstract]
Buildings and leasehold improvements, Gross	$ 192,290	$ 183,174
Machinery and equipment	685,249	660,406
Property, plant and equipment, at cost	877,539	843,580
Less: Accumulated depreciation and amortization	(535,407)	(479,898)
Net	342,132	363,682
Construction in-progress	24,049	39,426
Land	35,807	36,232
Property, plant and equipment, net	$ 401,988	$ 439,340	$ 309,931