XML 78 R62.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Income Taxes - Details of Scheduled Expiration Dates of Tax Effected Net Operating Loss (NOL) and Other Tax Carryforwards (Details) $ in Millions | Dec. 31, 2018 USD ($)
--- | ---
Operating Loss Carryforwards And Other Tax Carryforwards [Line Items] |
Total | $ 37.7
U.S. federal |
Operating Loss Carryforwards And Other Tax Carryforwards [Line Items] |
Net Operating Loss | 32.4
U.S. federal tax credit carryforwards | 0.1
State taxing jurisdiction |
Operating Loss Carryforwards And Other Tax Carryforwards [Line Items] |
Net Operating Loss | 2.0
U.S. federal and non-U.S. |
Operating Loss Carryforwards And Other Tax Carryforwards [Line Items] |
U.S. federal and non-U.S. capital loss carryforwards | 3.2
2019 Through 2028 |
Operating Loss Carryforwards And Other Tax Carryforwards [Line Items] |
Total | 33.5
2019 Through 2028 | U.S. federal |
Operating Loss Carryforwards And Other Tax Carryforwards [Line Items] |
Net Operating Loss | 28.6
2019 Through 2028 | State taxing jurisdiction |
Operating Loss Carryforwards And Other Tax Carryforwards [Line Items] |
Net Operating Loss | 1.8
2019 Through 2028 | U.S. federal and non-U.S. |
Operating Loss Carryforwards And Other Tax Carryforwards [Line Items] |
U.S. federal and non-U.S. capital loss carryforwards | 3.1
2029 Through 2038 |
Operating Loss Carryforwards And Other Tax Carryforwards [Line Items] |
Total | 4.1
2029 Through 2038 | U.S. federal |
Operating Loss Carryforwards And Other Tax Carryforwards [Line Items] |
Net Operating Loss | 3.8
U.S. federal tax credit carryforwards | 0.1
2029 Through 2038 | State taxing jurisdiction |
Operating Loss Carryforwards And Other Tax Carryforwards [Line Items] |
Net Operating Loss | 0.2
Indefinite |
Operating Loss Carryforwards And Other Tax Carryforwards [Line Items] |
Total | 0.1
Indefinite | U.S. federal and non-U.S. |
Operating Loss Carryforwards And Other Tax Carryforwards [Line Items] |
U.S. federal and non-U.S. capital loss carryforwards | $ 0.1

X
- Definition Capital loss carryforwards. + References No definition available. + Details
Name: | pkg_CapitalLossCarryforwards
Namespace Prefix: | pkg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Operating loss carryforwards and other tax carryforwards. + References No definition available. + Details
Name: | pkg_OperatingLossCarryforwardsAndOtherTaxCarryforwardsLineItems
Namespace Prefix: | pkg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Operating loss carryforwards capital loss carryforwards and tax credit carryforwards. + References No definition available. + Details
Name: | pkg_OperatingLossCarryforwardsCapitalLossCarryforwardsAndTaxCreditCarryforwards
Namespace Prefix: | pkg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319 + Details
Name: | us-gaap_OperatingLossCarryforwards
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319 + Details
Name: | us-gaap_TaxCreditCarryforwardAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=us-gaap_DomesticCountryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=us-gaap_StateAndLocalJurisdictionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=pkg_DomesticAndForeignTaxAuthorityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=pkg_Next10YearsMemberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=pkg_Years11through20Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=pkg_IndefiniteMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |