Acquisitions - Acquisitions Narrative (Details) - USD ($)		3 Months Ended			11 Months Ended
	Feb. 01, 2023	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2023
Business Acquisition [Line Items]
Goodwill		$ 2,887,700,000			$ 2,892,500,000
Food
Business Acquisition [Line Items]
Goodwill		1,234,300,000			1,235,200,000
Liquibox
Business Acquisition [Line Items]
Percentage of shares acquired	100.00%
Acquisition purchase price paid	$ 1,169,200,000	1,160,000,000			1,167,100,000
Acquisition related costs				$ 11,900,000
Goodwill	728,700,000				699,500,000
Adjustment to consideration transferred		$ 3,500,000			2,100,000
Total assets	$ 615,000,000.0				$ 604,200,000
Series of Individually Immaterial Business Acquisitions | Food
Business Acquisition [Line Items]
Acquisition purchase price paid			$ 14,900,000
Goodwill			7,900,000
Total assets			$ 0