XML 43 R61.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Financial Instruments Financial Instruments - Interest Rate Swap Agreements (Detail) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Derivative [Line Items] |  |  |
Derivative, Number of Instruments Held | 3 us-gaap_DerivativeNumberOfInstrumentsHeld |  |
Derivative, Lower Fixed Interest Rate Range | 0.75%us-gaap_DerivativeLowerFixedInterestRateRange |  |
Derivative, Higher Fixed Interest Rate Range | 1.64%us-gaap_DerivativeHigherFixedInterestRateRange |  |
Interest Rate Swap [Member] |  |  |
Derivative [Line Items] |  |  |
Notional principal amount, interest rate swap agreement(s) | $ 150,000,000 invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember | $ 294,900,000 invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember |
Net receipts (payments) under derivative swap agreements | 6,200,000 us-gaap_DerivativeCostOfHedgeNetOfCashReceived / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember | 5,900,000 us-gaap_DerivativeCostOfHedgeNetOfCashReceived / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember | 4,600,000 us-gaap_DerivativeCostOfHedgeNetOfCashReceived / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember
USD Interest Rate Swap [Member] |  |  |
Derivative [Line Items] |  |  |
Notional principal amount, interest rate swap agreement(s) | 50,000,000 invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = slgn_USDInterestRateSwapMember |  |
USD Interest Rate Swap Contract Two and Three [Member] |  |  |
Derivative [Line Items] |  |  |
Notional principal amount, interest rate swap agreement(s) | 100,000,000 invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = slgn_USDInterestRateSwapContractTwoandThreeMember |  |
Interest rate swap agreement maturity period | 2017 |  |
Interest Rate Swap Contract One [Member] |  |  |
Derivative [Line Items] |  |  |
Notional principal amount, interest rate swap agreement(s) | 50,000,000 invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = slgn_USDInterestRateSwapContractOneMember |  |
Interest rate swap agreement maturity period | 2015 |  |
Us Term Loan [Member] | Interest Rate Swap [Member] |  |  |
Derivative [Line Items] |  |  |
Effective interest rate on term loans | 2.16%slgn_DebtInstrumentEffectiveInterestRatePercentageAfterInterestRateSwap / us-gaap_DebtInstrumentAxis = slgn_UsTermLoanMember / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember |  |
Accrued Liabilities [Member] | Interest Rate Swap [Member] |  |  |
Derivative [Line Items] |  |  |
Fair value of liability of total outstanding swap agreements | 1,100,000 us-gaap_CashFlowHedgeDerivativeInstrumentLiabilitiesAtFairValue / us-gaap_BalanceSheetLocationAxis = us-gaap_AccruedLiabilitiesMember / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember | 6,500,000 us-gaap_CashFlowHedgeDerivativeInstrumentLiabilitiesAtFairValue / us-gaap_BalanceSheetLocationAxis = us-gaap_AccruedLiabilitiesMember / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember |
Other Liabilities [Member] | Interest Rate Swap [Member] |  |  |
Derivative [Line Items] |  |  |
Fair value of liability of total outstanding swap agreements | $ 100,000 us-gaap_CashFlowHedgeDerivativeInstrumentLiabilitiesAtFairValue / us-gaap_BalanceSheetLocationAxis = us-gaap_OtherLiabilitiesMember / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember | $ 400,000 us-gaap_CashFlowHedgeDerivativeInstrumentLiabilitiesAtFairValue / us-gaap_BalanceSheetLocationAxis = us-gaap_OtherLiabilitiesMember / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember |

X
- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
Name: | invest_DerivativeNotionalAmount
Namespace Prefix: | invest_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Debt Instrument, Effective Interest Rate, Percentage after Interest Rate Swap + References No definition available. + Details
Name: | slgn_DebtInstrumentEffectiveInterestRatePercentageAfterInterestRateSwap
Namespace Prefix: | slgn_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Derivative, Maturity Month and Year + References No definition available. + Details
Name: | slgn_DerivativeMaturityMonthAndYear
Namespace Prefix: | slgn_
Data Type: | us-types:durationStringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value of all liability derivatives designated as cash flow hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624163-113959 + Details
Name: | us-gaap_CashFlowHedgeDerivativeInstrumentLiabilitiesAtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The premium (cost) of a hedge, net of any cash received on settlement during the period. + References No definition available. + Details
Name: | us-gaap_DerivativeCostOfHedgeNetOfCashReceived
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition High end of the range of fixed interest rates when a range is presented for a group of interest rate derivatives. + References No definition available. + Details
Name: | us-gaap_DerivativeHigherFixedInterestRateRange
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_DerivativeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Low end of the range of fixed interest rates when a range is presented for a group of interest rate derivatives. + References No definition available. + Details
Name: | us-gaap_DerivativeLowerFixedInterestRateRange
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of derivative instruments of a particular group held by the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5579245-113959 + Details
Name: | us-gaap_DerivativeNumberOfInstrumentsHeld
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_AccruedLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_OtherLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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