XML 65 R55.htm IDEA: XBRL DOCUMENT
v3.20.2

Derivatives - Derivative Instruments Effect on AOCI and Results of Operations (Details) - Derivatives Designated in Hedging Relationships - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Unrealized (Loss) Gain Recognized in AOCI on Derivatives, Net of Tax | $ (6.1) | $ 0.9 | $ (6.8) | $ 1.3
(Loss) Gain Reclassified from AOCI | (0.6) | 1.8 | (0.6) | 2.7
Derivatives designated as cash flow hedge | Foreign exchange contracts | Net sales |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Unrealized (Loss) Gain Recognized in AOCI on Derivatives, Net of Tax | (0.8) | (0.3) | (5.8) | (0.2)
(Loss) Gain Reclassified from AOCI | (1.0) | (0.4) | (1.6) | (0.6)
Derivatives designated as cash flow hedge | Foreign exchange contracts | Other income, net |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Unrealized (Loss) Gain Recognized in AOCI on Derivatives, Net of Tax | 0.9 | 0.4 | 1.4 | 0.1
(Loss) Gain Reclassified from AOCI | 0.4 | 0.5 | 1.0 | 0.1
Derivatives designated as cash flow hedge | Interest rate contracts | Interest expense |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Unrealized (Loss) Gain Recognized in AOCI on Derivatives, Net of Tax | (0.8) | 0.8 | (9.0) | 1.4
(Loss) Gain Reclassified from AOCI | 0.0 | 1.7 | 0.0 | 3.2
Derivatives designated as net investment hedge | Foreign exchange contracts | Other income, net |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Unrealized (Loss) Gain Recognized in AOCI on Derivatives, Net of Tax | (5.4) | 0.0 | 6.6 | 0.0
(Loss) Gain Reclassified from AOCI | $ 0.0 | $ 0.0 | $ 0.0 | $ 0.0

X
- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5618551-113959 + Details
Name: | us-gaap_DerivativeGainLossOnDerivativeNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DerivativeInstrumentsGainLossLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, before tax and after reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness, attributable to parent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=121641772&loc=d3e637-108580 + Details
Name: | us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_CashFlowHedgingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_ForeignExchangeContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_SalesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=swm_OtherIncomeExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_InterestExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |