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Restructuring - Additional Information (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019 | Dec. 31, 2019
Restructuring Cost And Reserve [Line Items] |  |  |  |  |
Accretion of interest recognized related to restructuring activities | $ 0.1 | $ 0.1 | $ 0.3 | $ 0.3 |
Restructuring accrual, current portion | 1.4 |  | 1.4 |  | $ 2.9
Restructuring accrual outstanding | 3.6 |  | 3.6 |  | 5.7
Restructuring accrual outstanding expected to be paid in 2020 | 1.0 |  | 1.0 |  |
Restructuring accrual outstanding expected to be paid in 2021 | 1.6 |  | 1.6 |  |
Restructuring accrual outstanding expected to be paid in 2022 | 1.6 |  | 1.6 |  |
Accretion of interest | 0.6 |  | 0.6 |  |
Accrued Expenses and Other Current Liabilities |  |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |  |
Restructuring accrual, current portion | 1.4 |  | 1.4 |  | 2.9
Other Noncurrent Liabilities |  |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |  |
Restructuring accrual, noncurrent portion | $ 2.2 |  | $ 2.2 |  | $ 2.8

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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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