XML 77 R63.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Long-Term Debt 4 1/8 Senior Notes (Details) - USD ($) |  |  | 12 Months Ended
--- | --- | --- | ---
Feb. 26, 2020 | Nov. 12, 2019 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Proceeds from issuance of long-term debt |  |  | $ 400,000,000 | $ 0 | $ 1,789,200,000
Four and One Eighth Percent Senior Notes Due 2028 [Member] |  |  |  |  |
Validity Tender Offer Percentage |  | 90.00% |  |  |
Proceeds from issuance of long-term debt |  | $ 394,700,000 |  |  |
Debt Instrument, Face Amount |  | $ 400,000,000 |  |  |
Redemption Price Percent If Change In Control Occurs in Addition to Accrued and Unpaid Interest |  | 101.00% |  |  |
Senior Notes [Member] | Four and One Eighth Percent Senior Notes Due 2028 [Member] |  |  |  |  |
Debt Instrument Offering Price Percentage at Principle Amount |  | 100.00% |  |  |
Debt Instrument Redemption Period - Post October 1 2022 [Member] | Four and One Eighth Percent Senior Notes Due 2028 [Member] |  |  |  |  |
Debt Instrument, Redemption Price, Percentage, Initial, Plus Accrued and Unpaid Interest |  | 102.063% |  |  |
Debt Instrument Redemption Period - Post October 1 2024 [Member] | Four and One Eighth Percent Senior Notes Due 2028 [Member] |  |  |  |  |
Debt Instrument, Redemption Price, Percentage, Ending, Plus Accrued and Unpaid Interest |  | 100.00% |  |  |
Debt Instrument, Redemption - Pre October 1 2022 [Member] | Four and One Eighth Percent Senior Notes Due 2028 [Member] |  |  |  |  |
Debt Instrument, Redemption Price, Percentage Plus a Make-Whole Premium |  | 100.00% |  |  |
Maximum Redemption Percent Allowed And Limited To Proceeds From Equity Offering |  | 35.00% |  |  |
Debt Redemption, Price Percent Of Principal Amount, From the Proceeds of Certain Equity Offerings plus accrued and unpaid interest |  | 104.125% |  |  |
Subsequent Event [Member] | Four and One Eighth Percent Senior Notes Due 2028 [Member] |  |  |  |  |
Proceeds from issuance of long-term debt | $ 196,500,000 |  |  |  |
Debt Instrument, Face Amount | $ 200,000,000 |  |  |  |
Subsequent Event [Member] | Senior Notes [Member] | Four and One Eighth Percent Senior Notes Due 2028 [Member] |  |  |  |  |
Debt Instrument Offering Price Percentage | 99.50% |  |  |  |

X
- Definition Debt Instrument Offer Price Percentage + References No definition available. + Details
Name: | slgn_DebtInstrumentOfferingPricePercentage
Namespace Prefix: | slgn_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Debt Instrument Offering Price Percentage at Principle Amount + References No definition available. + Details
Name: | slgn_DebtInstrumentOfferingPricePercentageatPrincipleAmount
Namespace Prefix: | slgn_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Debt Instrument, Redemption Price, Percentage, Ending + References No definition available. + Details
Name: | slgn_DebtInstrumentRedemptionPricePercentageEnding
Namespace Prefix: | slgn_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Instrument, Redemption Price, Percentage, Initial + References No definition available. + Details
Name: | slgn_DebtInstrumentRedemptionPricePercentageInitial
Namespace Prefix: | slgn_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Redemption, Price Percent Of Principal Amount, From the Proceeds of Certain Equity Offerings + References No definition available. + Details
Name: | slgn_DebtRedemptionPricePercentOfPrincipalAmountFromtheProceedsofCertainEquityOfferings
Namespace Prefix: | slgn_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Maximum Redemption Percent Allowed And Limited To Proceeds From Equity Offering + References No definition available. + Details
Name: | slgn_MaximumRedemptionPercentAllowedAndLimitedToProceedsFromEquityOffering
Namespace Prefix: | slgn_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Redemption Price Percent If Change in Control Occurs + References No definition available. + Details
Name: | slgn_RedemptionPricePercentIfChangeinControlOccurs
Namespace Prefix: | slgn_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Validity Tender Offer Percentage + References No definition available. + Details
Name: | slgn_ValidityTenderOfferPercentage
Namespace Prefix: | slgn_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Percentage price of original principal amount of debt at which debt can be redeemed by the issuer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph e -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 + Details
Name: | us-gaap_DebtInstrumentRedemptionPricePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromIssuanceOfLongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_DebtInstrumentAxis=slgn_FourandOneEighthPercentSeniorNotesDue2028Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_DebtInstrumentRedemptionPeriodAxis=slgn_DebtInstrumentRedemptionPeriodPostOctober12022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentRedemptionPeriodAxis=slgn_DebtInstrumentRedemptionPeriodPostOctober12024Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentRedemptionPeriodAxis=slgn_DebtInstrumentRedemptionPreOctober12022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |