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Consolidating Statements of Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2015 | Sep. 30, 2014
Sales |  |  |  |
Sales | $ 991,580 | $ 983,319 | $ 2,756,880 | $ 2,711,686
Costs and expenses |  |  |  |
Materials, labor, and other operating expenses (excluding depreciation) | 854,134 | 827,890 | 2,383,756 | 2,324,030
Depreciation and amortization | 14,249 | 13,203 | 41,117 | 38,005
Selling and distribution expenses | 72,668 | 72,714 | 202,802 | 198,825
General and administrative expenses | 11,345 | 13,173 | 35,371 | 35,763
Other (income) expense, net | (1,256) | 148 | (1,653) | (1,589)
Total costs and expenses | 951,140 | 927,128 | 2,661,393 | 2,595,034
Income (loss) from operations | 40,440 | 56,191 | 95,487 | 116,652
Foreign currency exchange gain (loss) | (148) | (316) | (214) | (139)
Interest expense | (5,729) | (5,514) | (16,801) | (16,545)
Interest income | 73 | 57 | 221 | 180
Total nonoperating income (expense) | (5,804) | (5,773) | (16,794) | (16,504)
Income (loss) before income taxes and equity in net income of affiliates | 34,636 | 50,418 | 78,693 | 100,148
Income tax (provision) benefit | (12,629) | (18,133) | (28,839) | (35,880)
Income (loss) before equity in net income of affiliates | 22,007 | 32,285 | 49,854 | 64,268
Equity in net income of affiliates | 0 | 0 | 0 | 0
Net income | 22,007 | 32,285 | 49,854 | 64,268
Defined benefit pension plans |  |  |  |
Actuarial gain | 0 | 0 | 11,923 | 0
Amortization of actuarial (gain) loss | 608 | (3) | 2,401 | (11)
Effect of settlements | 0 | 0 | 309 | 0
Other comprehensive income (loss), net of tax | 608 | (3) | 14,633 | (11)
Comprehensive income | 22,615 | 32,282 | 64,487 | 64,257
Boise Cascade Company (Parent) [Member] |  |  |  |
Sales |  |  |  |
Sales | 0 | 0 | 0 | 0
Costs and expenses |  |  |  |
Materials, labor, and other operating expenses (excluding depreciation) | (37) | 0 | 1,218 | 0
Depreciation and amortization | 79 | 44 | 201 | 121
Selling and distribution expenses | 20 | 0 | 889 | 0
General and administrative expenses | 4,159 | 5,444 | 14,595 | 14,376
Other (income) expense, net | (136) | (13) | (383) | (13)
Total costs and expenses | 4,085 | 5,475 | 16,520 | 14,484
Income (loss) from operations | (4,085) | (5,475) | (16,520) | (14,484)
Foreign currency exchange gain (loss) | (169) | (192) | (424) | (84)
Interest expense | (5,690) | (5,514) | (16,749) | (16,545)
Interest income | 36 | 7 | 75 | 15
Total nonoperating income (expense) | (5,823) | (5,699) | (17,098) | (16,614)
Income (loss) before income taxes and equity in net income of affiliates | (9,908) | (11,174) | (33,618) | (31,098)
Income tax (provision) benefit | (12,650) | (18,164) | (28,917) | (35,954)
Income (loss) before equity in net income of affiliates | (22,558) | (29,338) | (62,535) | (67,052)
Equity in net income of affiliates | 44,565 | 61,623 | 112,389 | 131,320
Net income | 22,007 | 32,285 | 49,854 | 64,268
Defined benefit pension plans |  |  |  |
Actuarial gain |  |  | 11,923 |
Amortization of actuarial (gain) loss | 608 | (3) | 2,401 | (11)
Effect of settlements |  |  | 309 |
Other comprehensive income (loss), net of tax | 608 | (3) | 14,633 | (11)
Comprehensive income | 22,615 | 32,282 | 64,487 | 64,257
Guarantor Subsidiaries [Member] |  |  |  |
Sales |  |  |  |
Sales | 988,725 | 979,797 | 2,748,180 | 2,701,156
Costs and expenses |  |  |  |
Materials, labor, and other operating expenses (excluding depreciation) | 852,733 | 825,634 | 2,377,618 | 2,316,837
Depreciation and amortization | 13,899 | 12,868 | 40,064 | 36,984
Selling and distribution expenses | 72,197 | 72,092 | 200,453 | 196,954
General and administrative expenses | 6,878 | 7,516 | 20,143 | 20,582
Other (income) expense, net | (1,068) | 246 | (915) | (1,089)
Total costs and expenses | 944,639 | 918,356 | 2,637,363 | 2,570,268
Income (loss) from operations | 44,086 | 61,441 | 110,817 | 130,888
Foreign currency exchange gain (loss) | 126 | (81) | 303 | (43)
Interest expense | (39) | 0 | (52) | 0
Interest income | 37 | 50 | 146 | 165
Total nonoperating income (expense) | 124 | (31) | 397 | 122
Income (loss) before income taxes and equity in net income of affiliates | 44,210 | 61,410 | 111,214 | 131,010
Income tax (provision) benefit | 21 | 31 | 78 | 74
Income (loss) before equity in net income of affiliates | 44,231 | 61,441 | 111,292 | 131,084
Equity in net income of affiliates | 0 | 0 | 0 | 0
Net income | 44,231 | 61,441 | 111,292 | 131,084
Defined benefit pension plans |  |  |  |
Actuarial gain |  |  | 0 |
Amortization of actuarial (gain) loss | 0 | 0 | 0 | 0
Effect of settlements |  |  | 0 |
Other comprehensive income (loss), net of tax | 0 | 0 | 0 | 0
Comprehensive income | 44,231 | 61,441 | 111,292 | 131,084
Non-guarantor Subsidiaries [Member] |  |  |  |
Sales |  |  |  |
Sales | 8,161 | 8,604 | 23,898 | 23,962
Costs and expenses |  |  |  |
Materials, labor, and other operating expenses (excluding depreciation) | 7,052 | 7,551 | 20,751 | 21,430
Depreciation and amortization | 271 | 291 | 852 | 900
Selling and distribution expenses | 451 | 622 | 1,460 | 1,871
General and administrative expenses | 0 | 0 | 0 | 0
Other (income) expense, net | (52) | (85) | (355) | (487)
Total costs and expenses | 7,722 | 8,379 | 22,708 | 23,714
Income (loss) from operations | 439 | 225 | 1,190 | 248
Foreign currency exchange gain (loss) | (105) | (43) | (93) | (12)
Interest expense | 0 | 0 | 0 | 0
Interest income | 0 | 0 | 0 | 0
Total nonoperating income (expense) | (105) | (43) | (93) | (12)
Income (loss) before income taxes and equity in net income of affiliates | 334 | 182 | 1,097 | 236
Income tax (provision) benefit | 0 | 0 | 0 | 0
Income (loss) before equity in net income of affiliates | 334 | 182 | 1,097 | 236
Equity in net income of affiliates | 0 | 0 | 0 | 0
Net income | 334 | 182 | 1,097 | 236
Defined benefit pension plans |  |  |  |
Actuarial gain |  |  | 0 |
Amortization of actuarial (gain) loss | 0 | 0 | 0 | 0
Effect of settlements |  |  | 0 |
Other comprehensive income (loss), net of tax | 0 | 0 | 0 | 0
Comprehensive income | 334 | 182 | 1,097 | 236
Eliminations [Member] |  |  |  |
Sales |  |  |  |
Sales | (5,306) | (5,082) | (15,198) | (13,432)
Costs and expenses |  |  |  |
Materials, labor, and other operating expenses (excluding depreciation) | (5,614) | (5,295) | (15,831) | (14,237)
Depreciation and amortization | 0 | 0 | 0 | 0
Selling and distribution expenses | 0 | 0 | 0 | 0
General and administrative expenses | 308 | 213 | 633 | 805
Other (income) expense, net | 0 | 0 | 0 | 0
Total costs and expenses | (5,306) | (5,082) | (15,198) | (13,432)
Income (loss) from operations | 0 | 0 | 0 | 0
Foreign currency exchange gain (loss) | 0 | 0 | 0 | 0
Interest expense | 0 | 0 | 0 | 0
Interest income | 0 | 0 | 0 | 0
Total nonoperating income (expense) | 0 | 0 | 0 | 0
Income (loss) before income taxes and equity in net income of affiliates | 0 | 0 | 0 | 0
Income tax (provision) benefit | 0 | 0 | 0 | 0
Income (loss) before equity in net income of affiliates | 0 | 0 | 0 | 0
Equity in net income of affiliates | (44,565) | (61,623) | (112,389) | (131,320)
Net income | (44,565) | (61,623) | (112,389) | (131,320)
Defined benefit pension plans |  |  |  |
Actuarial gain |  |  | 0 |
Amortization of actuarial (gain) loss | 0 | 0 | 0 | 0
Effect of settlements |  |  | 0 |
Other comprehensive income (loss), net of tax | 0 | 0 | 0 | 0
Comprehensive income | (44,565) | (61,623) | (112,389) | (131,320)
Reportable Legal Entities [Member] | Boise Cascade Company (Parent) [Member] |  |  |  |
Sales |  |  |  |
Sales | 0 | 0 | 0 | 0
Reportable Legal Entities [Member] | Guarantor Subsidiaries [Member] |  |  |  |
Sales |  |  |  |
Sales | 988,725 | 979,797 | 2,748,180 | 2,701,156
Reportable Legal Entities [Member] | Non-guarantor Subsidiaries [Member] |  |  |  |
Sales |  |  |  |
Sales | 2,855 | 3,522 | 8,700 | 10,530
Eliminations [Member] |  |  |  |
Sales |  |  |  |
Sales | (5,306) | (5,082) | (15,198) | (13,432)
Costs and expenses |  |  |  |
Equity in net income of affiliates |  |  | (112,389) | (131,320)
Net income |  |  | (112,389) | (131,320)
Eliminations [Member] | Boise Cascade Company (Parent) [Member] |  |  |  |
Sales |  |  |  |
Sales | 0 | 0 | 0 | 0
Eliminations [Member] | Guarantor Subsidiaries [Member] |  |  |  |
Sales |  |  |  |
Sales | $ 0 | $ 0 | $ 0 | $ 0

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