Goodwill and Intangible Assets - Goodwill (Details) $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($)
Goodwill [Line Items]
Beginning Balance	$ 923.5
Acquisition adjustment	(1.0)	[1]
Adjustment related to sale of corrugated assets	(0.1)	[2]
Ending Balance	$ 922.4

[1] During 2022, the Company recorded a $1.0 million adjustment to decrease the goodwill balance for the Company's December 2021 acquisition of Advance Packaging.

[2] During 2022, a corrugated products facility sold part of its operations, which primarily included existing inventory. As a result, the Company recorded a $0.1 million adjustment to decrease the goodwill balance.