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Commitments and Contingencies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | 2 Months Ended | 12 Months Ended
--- | --- | ---
Oct. 31, 2010 | Dec. 31, 2012 acre | Dec. 31, 2011 | Dec. 31, 2010
Schedule Of Commitments And Contingencies [Line Items] |  |  |  |
Authorized capital commitments |  | $ 27.0 | $ 40.4 |
Area leased under timberland cutting rights (acres) |  | 88,000 |  |
Total lease expense |  | 49.4 | 46.1 | 42.0
Capital lease obligations |  | 25.9 | 21.8 |
Purchase commitments term, years |  | Periods ranging from one to 16 years |  |
Purchase commitments, amount |  | 27.7 | 28.5 | 32.8
Number of lawsuits filed by the plaintiffs | 5 |  |  |
Number of other U.S. and Canadian containerboard producers | PCA and eight other U.S. and Canadian containerboard producers were named as defendants |  |  |
Remediation costs |  | 3.2 |  |
Environmental reserve |  | 11.7 |  |
Capital Lease Obligations |  |  |  |
Schedule Of Commitments And Contingencies [Line Items] |  |  |  |
Interest paid, capital lease obligations |  | $ 1.7 | $ 1.5 | $ 1.6
Operating Leases |  |  |  |
Schedule Of Commitments And Contingencies [Line Items] |  |  |  |
Lease term, years |  | Lease terms range from one to 11 years |  |

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- Definition Represents number of acres of timberland under cutting right leases. + References No definition available. + Details
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- Definition Represents the amount of capital committed for the expansion and replacement of existing facilities and equipment. + References No definition available. + Details
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- Definition Represents amounts paid in current period under long-term purchase agreements. + References No definition available. + Details
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- Definition Total costs incurred arising from requirements to perform environmental remediation activities. + References No definition available. + Details
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- Definition Total costs accrued as of the balance sheet date for environmental loss contingencies. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 25 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6395460&loc=d3e13647-108346 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 9 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 96-1 -Paragraph 161 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14326-108349 + Details
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- Definition Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 7 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737 + Details
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