XML 84 R69.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Debt (Details) | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 31, 2015 USD ($) | Dec. 31, 2016 USD ($) | Oct. 01, 2016 | Oct. 28, 2015 USD ($)
Debt Instrument [Line Items] |  |  |  |
Debt amortization rate on A1 for first two years |  |  |  | 5.00%
Debt amortization rate on A1 for final three years |  |  |  | 10.00%
Debt amortization rate on A2 |  |  |  | 1.00%
Amount of long term debt covered by interest rate swaps |  | $ 50,000,000 |  |
French Employee Profit Sharing [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest rate at period end | 1.08% | 0.80% |  |
Bank Overdrafts [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest rate at period end | 0.30% | 0.14% |  |
Bank overdraft facilities | $ 28,900,000 | $ 27,300,000 |  |
Second Amended and Restated Credit Agreement [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maximum borrowings under credit facility |  |  |  | $ 1,000,000,000
Second Amended and Restated Credit Agreement [Member] | Maximum [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
EBITDA ratio |  |  | 3.00 | 3.50
Second Amended and Restated Credit Agreement [Member] | Minimum [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest rate coverage |  |  |  | 3.00
Term Loan A-1 [Member] | Term Loan [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Face Amount |  |  |  | $ 100,000,000
Prepayment of amortization for term loan | $ 40,000,000 |  |  |
Line of Credit Facility, Interest Rate at Period End |  | 2.50% |  |
Term Loan A-2 [Member] | Term Loan [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Face Amount |  |  |  | 250,000,000
Line of Credit Facility, Interest Rate at Period End |  | 2.81% |  |
Revolving Credit Facility [Member] | Second Amended and Restated Credit Agreement [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maximum borrowings under credit facility |  |  |  | $ 650,000,000
Revolving Credit Facility [Member] | Revolving Credit Agreement - euro borrowings [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Line of Credit Facility, Interest Rate at Period End |  | 1.75% |  |
Revolving Credit Facility [Member] | Revolving Credit Agreement - U.S. dollar borrowings [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Line of Credit Facility, Interest Rate at Period End |  | 2.53% |  |
Base Rate [Member] | Term Loan A-1 [Member] | Term Loan [Member] | Maximum [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 1.25% |  |
Base Rate [Member] | Term Loan A-1 [Member] | Term Loan [Member] | Minimum [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 0.25% |  |
Base Rate [Member] | Term Loan A-2 [Member] | Term Loan [Member] | Maximum [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 1.50% |  |
Base Rate [Member] | Term Loan A-2 [Member] | Term Loan [Member] | Minimum [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 0.50% |  |
Base Rate [Member] | Revolving Credit Facility [Member] | Second Amended and Restated Credit Agreement [Member] | Maximum [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 1.25% |  |
Base Rate [Member] | Revolving Credit Facility [Member] | Second Amended and Restated Credit Agreement [Member] | Minimum [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 0.25% |  |
London Interbank Offered Rate (LIBOR) [Member] | Term Loan A-1 [Member] | Term Loan [Member] | Maximum [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 2.25% |  |
London Interbank Offered Rate (LIBOR) [Member] | Term Loan A-1 [Member] | Term Loan [Member] | Minimum [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 1.25% |  |
London Interbank Offered Rate (LIBOR) [Member] | Term Loan A-2 [Member] | Term Loan [Member] | Maximum [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 2.50% |  |
London Interbank Offered Rate (LIBOR) [Member] | Term Loan A-2 [Member] | Term Loan [Member] | Minimum [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 1.50% |  |
London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility [Member] | Second Amended and Restated Credit Agreement [Member] | Maximum [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 2.25% |  |
London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility [Member] | Second Amended and Restated Credit Agreement [Member] | Minimum [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 1.25% |  |

X
- Definition The amount of variable-rate long-term debt covered by interest which convert the interest rate to a fixed rate. + References No definition available. + Details
Name: | swm_AmountOfLongTermDebtCoveredByInterestRateSwaps
Namespace Prefix: | swm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Bank Overdraft Facilities + References No definition available. + Details
Name: | swm_BankOverdraftFacilities
Namespace Prefix: | swm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Debt Instrument, Covenant, EBITDA Ratio + References No definition available. + Details
Name: | swm_DebtInstrumentCovenantEBITDARatio
Namespace Prefix: | swm_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Debt Instrument, Covenant, Interest Rate Coverage + References No definition available. + Details
Name: | swm_DebtInstrumentCovenantInterestRateCoverage
Namespace Prefix: | swm_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Quarterly Debt Amortization Rate - A-1 - Final 3 Years + References No definition available. + Details
Name: | swm_QuarterlyDebtAmortizationRateA1Final3Years
Namespace Prefix: | swm_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Debt Amortization Rate - Quarterly Repayment Rate of Debt Principal + References No definition available. + Details
Name: | swm_QuarterlyDebtAmortizationRateA1First2Years
Namespace Prefix: | swm_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Quarterly Debt Amortization Rate - A-2 + References No definition available. + Details
Name: | swm_QuarterlyDebtAmortizationRateA2
Namespace Prefix: | swm_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 + Details
Name: | us-gaap_DebtInstrumentInterestRateEffectivePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The effective interest rate at the end of the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations. + References No definition available. + Details
Name: | us-gaap_RepaymentsOfDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_LoansPayableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_BankOverdraftsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=swm_SecondAmendedandRestatedCreditAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=swm_TermLoanA1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_SecuredDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=swm_TermLoanA2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=swm_EuroRevolverMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=swm_UsRevolverMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_BaseRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |