Business Segments and Geographic Information - Schedule of Sales from External Customers and Long Lived Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets - net	$ 281,220	$ 258,350	$ 247,816
U.S. Plans
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets - net	171,111	145,808	152,504
North America, excluding U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets - net	3,398	3,627	1,533
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets - net	85,100	85,932	71,681
Asia
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets - net	21,355	22,613	21,793
Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets - net	$ 256	$ 370	$ 305