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Derivatives - Narrative (Details) - USD ($) $ in Millions | 9 Months Ended |  |  |
--- | --- | --- | --- | ---
Sep. 30, 2021 | Dec. 31, 2020 | Dec. 23, 2019 | Aug. 05, 2016
Revenue and cost of sales |  |  |  |
Derivative [Line Items] |  |  |  |
Amount expected to be reclassified from accumulated other comprehensive income (loss) to earnings in next twelve months, gross | $ (1.2) |  |  |
Amount expected to be reclassified from accumulated other comprehensive income to earnings (loss) in next twelve months, net of tax | (0.9) |  |  |
Interest expense |  |  |  |
Derivative [Line Items] |  |  |  |
Amount expected to be reclassified from accumulated other comprehensive income (loss) to earnings in next twelve months, gross | (1.2) |  |  |
Amount expected to be reclassified from accumulated other comprehensive income to earnings (loss) in next twelve months, net of tax | (0.9) |  |  |
Interest rate swap | Designated as hedging instrument |  |  |  |
Derivative [Line Items] |  |  |  |
Fair value of derivative liability | (2.5) | $ (4.4) |  |
Deferred tax asset used to offset fair value of interest rate swap | $ (0.6) | $ (1.1) |  |
Interest rate swap | Wells Fargo 1.12% one-month LIBOR | Designated as hedging instrument |  |  |  |
Derivative [Line Items] |  |  |  |
Notional amount of derivative |  |  |  | $ 175.0
Interest rate swap | Wells Fargo 1.12% one-month LIBOR | LIBOR Swap Rate | Designated as hedging instrument |  |  |  |
Derivative [Line Items] |  |  |  |
Fixed rate |  |  |  | 1.12%
Interest rate swap | Wells Fargo 1.71% one-month LIBOR | Designated as hedging instrument |  |  |  |
Derivative [Line Items] |  |  |  |
Notional amount of derivative |  |  | $ 75.0 |
Interest rate swap | Wells Fargo 1.71% one-month LIBOR | LIBOR Swap Rate | Designated as hedging instrument |  |  |  |
Derivative [Line Items] |  |  |  |
Fixed rate |  |  | 1.71% |
Foreign currency forward contracts |  |  |  |
Derivative [Line Items] |  |  |  |
Maturity of derivative contract (up to) | 2 years |  |  |

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- Definition Cash Flow Hedge Gain (Loss) To Be Reclassified Within Twelve Months, Gross + References No definition available. + Details
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- Definition The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121549185&loc=d3e80748-113994 + Details
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from derivative instruments. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32621-109319 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32632-109319 + Details
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- Definition Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624163-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226003-175313 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
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- Definition Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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