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Debt - Additional Information (Detail) - USD ($) |  | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Oct. 18, 2013 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Sep. 05, 2014 | Oct. 22, 2013 | Jun. 26, 2012 | Mar. 25, 2008
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Long-term debt |  | $ 2,658,200,000 | $ 2,309,200,000 |  |  |  |  |  |
Financing costs paid |  | (2,000,000) | 0 | $ (3,400,000) |  |  |  |  |
Book value of fixed rate debt |  | 1,647,500,000 |  |  |  |  |  |  |
Book value of variable rate debt |  | 1,010,700,000 |  |  |  |  |  |  |
Long-term debt, fair value |  | 1,717,600,000 |  |  |  |  |  |  |
Annual Principal Maturities for Debt [Abstract] |  |  |  |  |  |  |  |  |
2017 |  | 25,800,000 |  |  |  |  |  |  |
2018 |  | 175,800,000 |  |  |  |  |  |  |
2019 |  | 25,800,000 |  |  |  |  |  |  |
2020 |  | 630,300,000 |  |  |  |  |  |  |
2021 |  | 303,200,000 |  |  |  |  |  |  |
2022 and thereafter |  | 1,500,000,000 |  |  |  |  |  |  |
Interest payments |  | 88,300,000 | 85,500,000 |  |  |  |  |  |
Interest payments and redemption premium payments paid for debt obligations |  |  |  | 77,000,000 |  |  |  |  |
Amortization of net (loss) gain on treasury lock |  | (5,700,000) | (5,700,000) | (5,700,000) |  |  |  |  |
Amortization of financing costs |  | 1,900,000 | 1,800,000 | 3,300,000 |  |  |  |  |
Write-off of deferred financing costs |  | 91,800,000 | 85,500,000 | 88,400,000 | [1] |  |  |  |
Boise Inc. |  |  |  |  |  |  |  |  |
Annual Principal Maturities for Debt [Abstract] |  |  |  |  |  |  |  |  |
Amortization of financing costs |  |  |  | 1,500,000 |  |  |  |  |
Line of Credit |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Credit facility borrowing capacity | $ 350,000,000.0 |  |  |  |  |  |  |  |
Unused borrowing capacity |  | 324,900,000 |  |  |  |  |  |  |
Five-Year and Seven-Year Term Loans, due October 2018 and 2020, respectively | Unsecured Debt |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt, face amount | 1,650,000,000 |  |  |  |  |  |  |  |
Repayment of debt |  |  |  | $ 591,500,000 |  |  |  |  |
Five-Year Term Loan, due August 2021 | Unsecured Debt |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt, face amount | $ 385,000,000 |  |  |  |  |  |  |  |
Debt, term | 5 years |  |  |  |  |  |  |  |
Long-term Debt, Gross |  | 380,200,000 |  |  |  |  |  |  |
Long-term debt |  | $ 380,200,000 | $ 0 |  |  |  |  |  |
Stated interest rate |  | 2.02% | 0.00% |  |  |  |  |  |
Repayment of debt |  | $ 4,800,000 |  |  |  |  |  |  |
Credit facility, expiration date |  | Aug. 21, 2021 |  |  |  |  |  |  |
Five-Year Term Loan, due October 2018 | Unsecured Debt |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Applicable margin |  | 0.00% | 1.375% |  |  |  |  |  |
Long-term debt |  | $ 0 | $ 25,000,000 |  |  |  |  |  |
Stated interest rate |  | 0.00% | 1.80% |  |  |  |  |  |
Repayments of Debt |  |  | $ 40,000,000 |  |  |  |  |  |
Repayment of debt |  | $ 25,000,000 |  |  |  |  |  |  |
Credit facility, expiration date |  | Oct. 18, 2018 |  |  |  |  |  |  |
Seven-Year Term Loan, due October 2020 | Unsecured Debt |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt, face amount | $ 650,000,000.0 |  |  |  |  |  |  |  |
Applicable margin |  | 1.625% | 1.625% |  |  |  |  |  |
Long-term debt |  | $ 630,500,000 | $ 637,000,000 |  |  |  |  |  |
Stated interest rate |  | 2.40% | 2.05% |  |  |  |  |  |
Repayments of Debt |  |  | $ 6,500,000 |  |  |  |  |  |
Repayment of debt |  | $ 6,500,000 |  |  |  |  |  |  |
6.50% Senior Notes due March 2018 | Senior Notes |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt, face amount |  |  |  |  |  |  |  |  | $ 150,000,000.0
Long-term debt |  | $ 150,000,000 | $ 150,000,000 |  |  |  |  |  |
Stated interest rate |  | 6.50% | 6.50% |  |  |  |  |  | 6.50%
3.90% Senior Notes, due June 2022 | Senior Notes |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt, face amount |  |  |  |  |  |  |  | $ 400,000,000.0 |
Long-term debt |  | $ 399,800,000 | $ 399,700,000 |  |  |  |  |  |
Stated interest rate |  | 3.90% | 3.90% |  |  |  |  | 3.90% |
4.50% Senior Notes, due November 2023 | Senior Notes |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt, face amount |  |  |  |  |  |  | $ 700,000,000.0 |  |
Long-term debt |  | $ 698,600,000 | $ 698,500,000 |  |  |  |  |  |
Stated interest rate |  | 4.50% | 4.50% |  |  |  | 4.50% |  |
3.65% Senior Notes, due September 2024 | Senior Notes |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt, face amount |  |  |  |  |  | $ 400,000,000.0 |  |  |
Long-term debt |  | $ 399,100,000 | $ 399,000,000 |  |  |  |  |  |
Stated interest rate |  | 3.65% | 3.65% |  |  | 3.65% |  |  |
Letter of Credit | Line of Credit |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Outstanding letters of credit |  | $ 25,100,000 |  |  |  |  |  |  |
Write-Off of Deferred Financing Costs |  |  |  |  |  |  |  |  |
Annual Principal Maturities for Debt [Abstract] |  |  |  |  |  |  |  |  |
Write-off of deferred financing costs |  |  | $ 1,500,000 |  |  |  |  |  |
London Interbank Offered Rate (LIBOR) | Five-Year Term Loan, due August 2021 | Unsecured Debt |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Applicable margin | 1.25% | 1.25% |  |  |  |  |  |  |
Annual Principal Maturities for Debt [Abstract] |  |  |  |  |  |  |  |  |
Reference Interest Rate |  | 0.77% |  |  |  |  |  |  |
London Interbank Offered Rate (LIBOR) | Five-Year Term Loan, due October 2018 | Unsecured Debt |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Applicable margin |  |  | 1.375% |  |  |  |  |  |
Annual Principal Maturities for Debt [Abstract] |  |  |  |  |  |  |  |  |
Reference Interest Rate |  | 0.00% | 0.42% |  |  |  |  |  |
London Interbank Offered Rate (LIBOR) | Seven-Year Term Loan, due October 2020 | Unsecured Debt |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Applicable margin | 1.625% |  |  |  |  |  |  |  |
Annual Principal Maturities for Debt [Abstract] |  |  |  |  |  |  |  |  |
Reference Interest Rate |  | 0.77% | 0.42% |  |  |  |  |  |
[1] | Includes $1.5 million of expense related to the write-off of deferred financing costs in connection with the debt refinancing discussed in Note 9, Debt.

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 + Details
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- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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