Goodwill and Other Intangible Assets Goodwill Rollforward (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2022 USD ($)
Goodwill [Roll Forward]
Balance, beginning	$ 315,490
Goodwill, Acquired During Period	32,370
Translation and purchase accounting adjustments	(8,650)
Balance, ending	339,210
Packaging [Member]
Goodwill [Roll Forward]
Balance, beginning	238,740
Goodwill, Acquired During Period	32,370
Translation and purchase accounting adjustments	(8,520)
Balance, ending	262,590
Aerospace [Member]
Goodwill [Roll Forward]
Balance, beginning	70,190
Goodwill, Acquired During Period	0
Translation and purchase accounting adjustments	(130)
Balance, ending	70,060
Specialty Products [Member]
Goodwill [Roll Forward]
Balance, beginning	6,560
Goodwill, Acquired During Period	0
Translation and purchase accounting adjustments	0
Balance, ending	$ 6,560