Goodwill and Other Intangible Assets Goodwill Rollforward (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2023 USD ($)
Goodwill [Roll Forward]
Balance, beginning	$ 339,810
Goodwill, Acquired During Period	20,420
Translation and purchase accounting adjustments	2,570
Balance, ending	362,800
Packaging [Member]
Goodwill [Roll Forward]
Balance, beginning	263,550
Goodwill, Acquired During Period	20,420
Translation and purchase accounting adjustments	2,410
Balance, ending	286,380
Aerospace [Member]
Goodwill [Roll Forward]
Balance, beginning	69,700
Goodwill, Acquired During Period	0
Translation and purchase accounting adjustments	160
Balance, ending	69,860
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