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Acquisitions - MRL Acquisition (Details) - USD ($) $ in Millions |  | 12 Months Ended
--- | --- | ---
Jul. 01, 2019 | Dec. 31, 2020 | Dec. 31, 2019
Business Acquisition [Line Items] |  |  |  |
Definite-lived intangible asset, useful life |  |  | 12 years |
Goodwill acquired |  |  | $ 2.5 | $ 13.9
MRL |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Purchase price, inclusive of adjustment for working capital and other post-closing items | [1] | $ 49.0 |  |
Contingent consideration | [2] | 4.1 |  |
Total consideration |  | 53.1 |  |
Cash |  | 0.2 |  |
Accounts receivable |  | 3.8 |  |
Inventories |  | 13.8 |  |
Prepaid expenses and other current assets |  | 0.3 |  |
Properties and equipment |  | 6.4 |  |
Operating lease right-of use-assets |  | 4.6 |  |
Other long-term assets |  | 0.1 |  |
Customer relationships | [3] | 17.7 |  |
Trade names | [4] | 9.0 |  |
Other intangible assets |  | 1.4 |  |
Operating lease liabilities |  | (4.6) |  |
Accounts payable |  | (3.7) |  |
Accrued liabilities |  | (1.9) |  |
Customer deposits |  | (6.5) |  |
Deferred tax liabilities |  | (1.4) |  |
Net assets acquired |  | 39.2 |  |
Goodwill acquired | [5] | $ 13.9 |  |
Customer Relationships | MRL |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Definite-lived intangible asset, useful life |  | 12 years |  |
[1] | The purchase price was funded with borrowings under the Company’s revolving credit facility. The purchase price includes adjustments for working capital and other post-closing items, which were finalized in the fourth quarter of 2019, with the Company receiving $0.8 million in the first quarter of 2020.
[2] | Represents the estimated fair value of the contingent earn-out payment as of the acquisition date, which is included as a component of Other long-term liabilities on the Consolidated Balance Sheets. See Note 18 – Fair Value Measurements for discussion of the methodology used to determine the fair value of the contingent earn-out payment.
[3] | Represents the fair value assigned to customer relationships, which are considered to be definite-lived intangible assets, with an estimated useful life of approximately 12 years.
[4] | Represents the fair value assigned to trade names, which are considered to be indefinite-lived intangible assets.
[5] | Goodwill, the majority of which is tax-deductible, has been allocated to the Environmental Solutions Group on the basis that the synergies identified will primarily benefit this segment.

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