Acquisitions - Summary of Preliminary Allocation of Purchase Price to Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions		5 Months Ended	8 Months Ended
	Feb. 01, 2023	Jun. 30, 2023	Sep. 30, 2023	Dec. 31, 2022
Liabilities:
Goodwill			$ 2,913.3	$ 2,174.5
Liquibox
Business Acquisition [Line Items]
Total consideration transferred	$ 1,169.2		1,169.2
Assets:
Cash and cash equivalents	21.2		21.2
Trade receivables	48.6		48.1
Inventories	61.6		60.4
Prepaid expenses and other current assets	15.8		14.8
Property and equipment	101.1		101.1
Identifiable intangible assets	342.1		340.6
Operating lease right-of-use-assets	15.1		15.1
Other non-current assets	9.5		9.5
Total assets acquired	615.0		610.8
Liabilities:
Accounts payable	27.0		25.6
Current portion of long-term debt	0.1		0.1
Current portion of operating lease liabilities	3.7		3.7
Other current liabilities	28.4		30.8
Long-term debt, less current portion	5.1		5.1
Long-term operating lease liabilities, less current portion	11.4		11.4
Deferred taxes	92.2		92.2
Other non-current liabilities	6.6		3.9
Total liabilities assumed	174.5		172.8
Net assets acquired	440.5		438.0
Goodwill	$ 728.7		$ 731.2
Measurement Period Adjustments
Trade receivables		$ (0.5)
Inventories		(1.2)
Prepaid expenses and other current assets		(1.0)
Identifiable intangible assets		(1.5)
Total assets acquired		(4.2)
Accounts payable		(1.4)
Other current liabilities		2.4
Other non-current liabilities		(2.7)
Total liabilities assumed		(1.7)
Net assets acquired		(2.5)
Goodwill		$ 2.5