Goodwill and Other Intangible Assets - Goodwill Rollforward (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Goodwill [Roll Forward]
Balance, beginning	$ 315,490	$ 303,970
Goodwill, Acquired During Period	32,370	17,770
Foreign currency translation	(8,050)	(6,250)
Balance, ending	339,810	315,490
Packaging [Member]
Goodwill [Roll Forward]
Balance, beginning	238,740	234,560
Goodwill, Acquired During Period	32,370	10,550
Foreign currency translation	(7,560)	(6,370)
Balance, ending	263,550	238,740
Aerospace [Member]
Goodwill [Roll Forward]
Balance, beginning	70,190	62,850
Goodwill, Acquired During Period	0	7,220
Foreign currency translation	(490)	120
Balance, ending	69,700	70,190
Specialty Products [Member]
Goodwill [Roll Forward]
Balance, beginning	6,560	6,560
Goodwill, Acquired During Period	0	0
Foreign currency translation	0	0
Balance, ending	$ 6,560	$ 6,560