Segments - Reconciliation of Net Earnings to Total Company Adjusted EBITDA-Depreciation and Restructuring Expense (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Depreciation and Amortization [Abstract]
Depreciation and amortization	$ 63.2	$ 56.9
Share-based incentive compensation	17.9	11.5
Total Company restructuring charges	0.5	0.0
Food
Depreciation and Amortization [Abstract]
Total Company restructuring charges	0.6	(0.2)
Food | Operating Segments
Depreciation and Amortization [Abstract]
Depreciation and amortization	36.5	31.7
Protective
Depreciation and Amortization [Abstract]
Total Company restructuring charges	(0.1)	0.2
Protective | Operating Segments
Depreciation and Amortization [Abstract]
Depreciation and amortization	$ 26.7	$ 25.2