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Business Combination, Multiple of Trailing Twelve Month EBITDA, Percentage

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Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

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This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

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For contingent consideration arrangements and indemnification assets recognized in connection with a business combination, this element represents an estimate of the low-end of the potential range (undiscounted) of the consideration which may be paid.

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Amount of liability recognized arising from contingent consideration in a business combination.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount of cash outflow, not made soon after acquisition date of business combination, to settle contingent consideration liability up to amount recognized at acquisition date, including, but not limited to, measurement period adjustment and less amount paid soon after acquisition date.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Acquisitions - Narrative (Details) € in Millions, $ in Millions				5 Months Ended	7 Months Ended	12 Months Ended
	Dec. 31, 2019 USD ($)	Jun. 03, 2019 USD ($)	Jun. 03, 2019 EUR (€)	Jun. 02, 2019 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Mar. 31, 2020 USD ($)	Feb. 28, 2017 USD ($)
Business Acquisition [Line Items]
Debt issuance cost	$ 7.8				$ 7.8		$ 7.2
Acquisition related costs				$ 7.4	0.3		3.3	$ 0.4
Contingent liability payment				0.0	0.0		1.1	$ 0.0
Rack Holdings Inc.
Business Acquisition [Line Items]
Business combination, consideration transferred		$ 794.9
Payments to acquire businesses, gross		160.8	€ 140.0
Business combination, consideration transferred, liability incurred		341.5	€ 140.0
Adjustment to net working capital	0.7
Business acquisition, transaction costs		48.0
Debt issuance cost		12.6
Acquisition related costs				$ 7.4	0.3
Neopack
Business Acquisition [Line Items]
Minimum Earn-Out Amount										$ 2.6
Business combination, multiple of trailing twelve month EBITDA, percentage										48.00%
Contingent liability payment							$ 1.1
Earn-out contingent liability, range of outcomes, value, high	1.6				1.6
Earn-out contingent liability	$ 1.4				$ 1.4
Presented as asset \| Rack Holdings Inc.
Business Acquisition [Line Items]
Debt issuance cost		1.7
Presented as reduction to debt \| Rack Holdings Inc.
Business Acquisition [Line Items]
Debt issuance cost		$ 10.9
Forecast \| Neopack
Business Acquisition [Line Items]
Contingent liability payment						$ 0.2
Earn-out contingent liability, range of outcomes, value, high									$ 1.6