Rationalization Charges Activity in Rationalization Plan Reserves (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Restructuring Reserve [Roll Forward]
Balance at December 31, 2019	$ 43,713
Charged to expense	2,799	$ 6,083
Utilized and currency translation	(3,648)
Balance at March 31, 2020	42,864
Employee Severance and Benefits [Member]
Restructuring Reserve [Roll Forward]
Balance at December 31, 2019	42,815
Charged to expense	1,362
Utilized and currency translation	(2,122)
Balance at March 31, 2020	42,055
Plant Exit Costs [Member]
Restructuring Reserve [Roll Forward]
Balance at December 31, 2019	898
Charged to expense	1,242
Utilized and currency translation	(1,331)
Balance at March 31, 2020	809
Non-Cash Asset Write-Down [Member]
Restructuring Reserve [Roll Forward]
Balance at December 31, 2019	0
Charged to expense	195
Utilized and currency translation	(195)
Balance at March 31, 2020	$ 0