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Income Taxes - Additional Information (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Cash payments for income taxes | $ 222.1 | $ 238.3 | $ 189.5
Accrued interest on income taxes | 1.1 | $ 1.0 |
Reasonably possible change in unrecognized tax benefits in next 12 months | $ 2.7 |  |
Federal |  |  |
Income tax examination (description) | A federal examination of the tax years 2010 - 2012 was concluded in February 2015. |  |
Foreign |  |  |
Open tax year | 2009 |  |
Minimum | Federal |  |  |
Open tax year | 2014 |  |
Minimum | State |  |  |
Open tax year | 2012 |  |
Minimum | Boise Inc. |  |  |
Open tax year | 2008 |  |
Maximum | Federal |  |  |
Open tax year | 2016 |  |
Maximum | State |  |  |
Open tax year | 2016 |  |
Maximum | Boise Inc. |  |  |
Open tax year | 2013 |  |

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- Definition Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (d)(3) -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32718-109319 + Details
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- Definition Amount of interest expense accrued for an underpayment of income taxes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32718-109319 + Details
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