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Investments - Additional Information (Detail) - USD ($) shares in Millions, $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 27, 2014 | Jun. 28, 2014 | Dec. 27, 2014 | Dec. 28, 2013
Investment [Line Items] |  |  |  |
Proceeds from sale of available for sale securities |  |  | $ 43 |
Boise Cascade Holdings, LLC |  |  |  |
Investment [Line Items] |  |  |  |
Cost method investment ownership percentage |  |  |  | 20.00%
Proceeds from sale of available for sale securities | $ 1 |  |  |
Boise Cascade Company |  |  |  |
Investment [Line Items] |  |  |  |
Indirect ownership interest |  |  |  | 4.00%
Distribution received, shares |  | 1.6 |  |
Proceeds from sale of available for sale securities |  | $ 43 |  |

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- Definition The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=49167202&loc=d3e26853-111562 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3179-108585 + Details
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