Goodwill and Intangible Assets -Goodwill - (Details) $ in Millions	6 Months Ended
	Jun. 30, 2022 USD ($)
Goodwill [Line Items]
Goodwill, Beginning Balance	$ 923.5
Goodwill, Ending Balance	922.5
Advance Packaging Corporation [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	923.5
Acquisitions	(1.0)	[1]
Goodwill, Ending Balance	$ 1.0

[1] During the six months ended June 30, 2022, the Company recorded a $1.0 million adjustment to decrease the goodwill balance for the Company's December 2021 acquisition of Advance Packaging.