Discontinued Operations, Divestitures and Acquisitions - Summary of Allocation of Purchase Price to Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions			5 Months Ended	12 Months Ended			15 Months Ended
	Aug. 01, 2018	Oct. 02, 2017	Dec. 31, 2018	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2018
Business Acquisition [Line Items]
Payments to acquire businesses, Net of cash acquired				$ 68.4	$ 119.2	$ 5.8
Assets:
Goodwill			$ 1,947.6	1,947.6	$ 1,939.8	$ 1,882.9	$ 1,947.6
Product Care | AFP
Business Acquisition [Line Items]
Payments to acquire businesses, Net of cash acquired	$ 70.8		3.3	74.1
Assets:
Cash and cash equivalents	2.9		2.9	2.9			2.9
Trade receivables, net	30.8		30.8	30.8			30.8
Inventories, net	7.1		7.2	7.2			7.2
Prepaid expenses and other current assets	0.7		0.7	0.7			0.7
Property and equipment, net	3.5		3.1	3.1			3.1
Identifiable intangible assets, net	18.6		22.7	22.7			22.7
Goodwill	21.6		19.6	19.6			19.6
Other non-current assets	0.7		0.3	0.3			0.3
Total assets	85.9		87.3	87.3			87.3
Liabilities:
Current portion of long-term debt	0.0		0.1	0.1			0.1
Accounts payable	13.8		11.6	11.6			11.6
Other current liabilities	1.3		1.3	1.3			1.3
Long-term debt, less current portion	0.0		0.2	0.2			0.2
Total liabilities	$ 15.1		13.2	13.2			13.2
Measurement Period
Inventories, net			0.1
Property and equipment, net			(0.4)
Identifiable intangible assets, net			4.1
Goodwill			(2.0)
Other non-current assets			(0.4)
Total assets			1.4
Current portion of long-term debt			0.1
Accounts payable			(2.2)
Other current liabilities			0.0
Long-term debt, less current portion			0.2
Total Liabilities			(1.9)
Product Care | Fagerdala Singapore Pte Ltd.
Business Acquisition [Line Items]
Payments to acquire businesses, Net of cash acquired		$ 106.6		106.2			(0.4)
Assets:
Cash and cash equivalents		13.3	13.3	13.3			13.3
Trade receivables, net		22.4	22.4	22.4			22.4
Inventories, net		10.0	10.1	10.1			10.1
Prepaid expenses and other current assets		8.4	8.4	8.4			8.4
Property and equipment, net		23.3	23.3	23.3			23.3
Identifiable intangible assets, net		41.4	42.1	42.1			42.1
Goodwill		39.3	37.8	37.8			37.8
Total assets		158.1	157.4	157.4			157.4
Liabilities:
Short-term borrowings		14.0	14.0	14.0			14.0
Accounts payable		6.9	6.9	6.9			6.9
Other current liabilities		15.1	15.0	15.0			15.0
Long-term debt, less current portion		3.8	3.8	3.8			3.8
Non-current deferred taxes		11.7	11.5	11.5			11.5
Total liabilities		$ 51.5	$ 51.2	$ 51.2			51.2
Measurement Period
Inventories, net							0.1
Identifiable intangible assets, net							0.7
Goodwill							(1.5)
Total assets							(0.7)
Other current liabilities							(0.1)
Non-current deferred taxes							(0.2)
Total Liabilities							$ (0.3)