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Level 4 Consolidating Statements of Comprehensive Income (Loss) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2013 | Jun. 30, 2012
Sales |  |  |  |  |  |  |  |
Sales | $ 852,295 |  | $ 732,900 |  | $ 1,597,173 |  | $ 1,319,886 |
Costs and expenses |  |  |  |  |  |  |  |
Materials, labor, and other operating expenses, including related party (excluding depreciation) | 750,996 |  | 632,607 |  | 1,395,843 |  | 1,142,731 |
Depreciation and amortization | 8,766 |  | 8,338 |  | 17,243 |  | 16,457 |
Selling and distribution expenses | 60,102 |  | 60,468 |  | 117,106 |  | 114,282 |
General and administrative expenses | 10,251 |  | 10,689 |  | 20,297 |  | 19,737 |
Other (income) expense, net | (39) |  | 653 |  | (173) |  | 285 |
Total costs and expenses | 830,076 |  | 712,755 |  | 1,550,316 |  | 1,293,492 |
Income (loss) from operations | 22,219 |  | 20,145 |  | 46,857 |  | 26,394 |
Foreign exchange gain (loss) | (291) |  | (289) |  | (371) |  | (103) |
Interest expense | (4,781) |  | (4,818) |  | (9,672) |  | (9,631) |
Interest income | 62 |  | 87 |  | 124 |  | 194 |
Total nonoperating income (expense) | (5,010) |  | (5,020) |  | (9,919) |  | (9,540) |
Income (loss) before income taxes and equity in net income of affiliates | 17,209 |  | 15,125 |  | 36,938 |  | 16,854 |
Income tax (provision) benefit | (6,797) |  | (78) |  | 54,310 |  | (139) |
Income (loss) before equity in net income of affiliates | 10,412 |  | 15,047 |  | 91,248 |  | 16,715 |
Equity in net income of affiliates | 0 |  | 0 |  | 0 |  | 0 |
Net income (loss) | 10,412 |  | 15,047 |  | 91,248 |  | 16,715 |
Defined benefit pension plans |  |  |  |  |  |  |  |
Amortization of actuarial loss | 1,411 |  | 1,958 |  | 2,806 |  | 3,984 |
Amortization of prior service costs and other | 14 |  | 42 |  | 28 |  | 83 |
Other comprehensive income, net of tax | 1,425 | [1] | 2,000 | [1] | 2,834 | [1] | 4,067 | [1]
Comprehensive income (loss) | 11,837 |  | 17,047 |  | 94,082 |  | 20,782 |
Boise Cascade Company (Parent) [Member] |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |
Sales | 0 |  | 0 |  | 0 |  | 0 |
Costs and expenses |  |  |  |  |  |  |  |
Materials, labor, and other operating expenses, including related party (excluding depreciation) | 0 |  | 0 |  | 0 |  | 0 |
Depreciation and amortization | 33 |  | 32 |  | 79 |  | 64 |
Selling and distribution expenses | 0 |  | 0 |  | 0 |  | 0 |
General and administrative expenses | 4,045 |  | 4,040 |  | 8,148 |  | 7,703 |
Other (income) expense, net | 5 |  | 31 |  | 7 |  | 78 |
Total costs and expenses | 4,083 |  | 4,103 |  | 8,234 |  | 7,845 |
Income (loss) from operations | (4,083) |  | (4,103) |  | (8,234) |  | (7,845) |
Foreign exchange gain (loss) | (200) |  | (25) |  | (230) |  | 26 |
Interest expense | (4,781) |  | (4,818) |  | (9,672) |  | (9,631) |
Interest income | 27 |  | 38 |  | 55 |  | 89 |
Total nonoperating income (expense) | (4,954) |  | (4,805) |  | (9,847) |  | (9,516) |
Income (loss) before income taxes and equity in net income of affiliates | (9,037) |  | (8,908) |  | (18,081) |  | (17,361) |
Income tax (provision) benefit | (6,797) |  | (75) |  | 54,310 |  | (127) |
Income (loss) before equity in net income of affiliates | (15,834) |  | (8,983) |  | 36,229 |  | (17,488) |
Equity in net income of affiliates | 26,246 |  | 24,030 |  | 55,019 |  | 34,203 |
Net income (loss) | 10,412 |  | 15,047 |  | 91,248 |  | 16,715 |
Defined benefit pension plans |  |  |  |  |  |  |  |
Amortization of actuarial loss | 1,411 |  | 1,958 |  | 2,806 |  | 3,984 |
Amortization of prior service costs and other | 14 |  | 42 |  | 28 |  | 83 |
Other comprehensive income, net of tax | 1,425 |  | 2,000 |  | 2,834 |  | 4,067 |
Comprehensive income (loss) | 11,837 |  | 17,047 |  | 94,082 |  | 20,782 |
Guarantor Subsidiaries [Member] |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |
Sales | 848,515 |  | 729,794 |  | 1,590,898 |  | 1,314,042 |
Costs and expenses |  |  |  |  |  |  |  |
Materials, labor, and other operating expenses, including related party (excluding depreciation) | 746,539 |  | 629,755 |  | 1,388,126 |  | 1,137,095 |
Depreciation and amortization | 8,429 |  | 7,857 |  | 16,553 |  | 15,497 |
Selling and distribution expenses | 59,461 |  | 59,691 |  | 115,833 |  | 112,750 |
General and administrative expenses | 5,891 |  | 6,424 |  | 11,762 |  | 11,665 |
Other (income) expense, net | 261 |  | 953 |  | 487 |  | 1,196 |
Total costs and expenses | 820,581 |  | 704,680 |  | 1,532,761 |  | 1,278,203 |
Income (loss) from operations | 27,934 |  | 25,114 |  | 58,137 |  | 35,839 |
Foreign exchange gain (loss) | (69) |  | (134) |  | (113) |  | (59) |
Interest expense | 0 |  | 0 |  | 0 |  | 0 |
Interest income | 35 |  | 49 |  | 69 |  | 105 |
Total nonoperating income (expense) | (34) |  | (85) |  | (44) |  | 46 |
Income (loss) before income taxes and equity in net income of affiliates | 27,900 |  | 25,029 |  | 58,093 |  | 35,885 |
Income tax (provision) benefit | 0 |  | (3) |  | 0 |  | (12) |
Income (loss) before equity in net income of affiliates | 27,900 |  | 25,026 |  | 58,093 |  | 35,873 |
Equity in net income of affiliates | 0 |  | 0 |  | 0 |  | 0 |
Net income (loss) | 27,900 |  | 25,026 |  | 58,093 |  | 35,873 |
Defined benefit pension plans |  |  |  |  |  |  |  |
Amortization of actuarial loss | 0 |  | 0 |  | 0 |  | 0 |
Amortization of prior service costs and other | 0 |  | 0 |  | 0 |  | 0 |
Other comprehensive income, net of tax | 0 |  | 0 |  | 0 |  | 0 |
Comprehensive income (loss) | 27,900 |  | 25,026 |  | 58,093 |  | 35,873 |
Non-guarantor Subsidiaries [Member] |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |
Sales | 6,700 |  | 6,382 |  | 11,833 |  | 12,371 |
Costs and expenses |  |  |  |  |  |  |  |
Materials, labor, and other operating expenses, including related party (excluding depreciation) | 7,692 |  | 6,352 |  | 13,662 |  | 12,531 |
Depreciation and amortization | 304 |  | 449 |  | 611 |  | 896 |
Selling and distribution expenses | 641 |  | 777 |  | 1,273 |  | 1,532 |
General and administrative expenses | 0 |  | 1 |  | 0 |  | 1 |
Other (income) expense, net | (305) |  | (331) |  | (667) |  | (989) |
Total costs and expenses | 8,332 |  | 7,248 |  | 14,879 |  | 13,971 |
Income (loss) from operations | (1,632) |  | (866) |  | (3,046) |  | (1,600) |
Foreign exchange gain (loss) | (22) |  | (130) |  | (28) |  | (70) |
Interest expense | 0 |  | 0 |  | 0 |  | 0 |
Interest income | 0 |  | 0 |  | 0 |  | 0 |
Total nonoperating income (expense) | (22) |  | (130) |  | (28) |  | (70) |
Income (loss) before income taxes and equity in net income of affiliates | (1,654) |  | (996) |  | (3,074) |  | (1,670) |
Income tax (provision) benefit | 0 |  | 0 |  | 0 |  | 0 |
Income (loss) before equity in net income of affiliates | (1,654) |  | (996) |  | (3,074) |  | (1,670) |
Equity in net income of affiliates | 0 |  | 0 |  | 0 |  | 0 |
Net income (loss) | (1,654) |  | (996) |  | (3,074) |  | (1,670) |
Defined benefit pension plans |  |  |  |  |  |  |  |
Amortization of actuarial loss | 0 |  | 0 |  | 0 |  | 0 |
Amortization of prior service costs and other | 0 |  | 0 |  | 0 |  | 0 |
Other comprehensive income, net of tax | 0 |  | 0 |  | 0 |  | 0 |
Comprehensive income (loss) | (1,654) |  | (996) |  | (3,074) |  | (1,670) |
Eliminations [Member] |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |
Sales | (2,920) |  | (3,276) |  | (5,558) |  | (6,527) |
Costs and expenses |  |  |  |  |  |  |  |
Materials, labor, and other operating expenses, including related party (excluding depreciation) | (3,235) |  | (3,500) |  | (5,945) |  | (6,895) |
Depreciation and amortization | 0 |  | 0 |  | 0 |  | 0 |
Selling and distribution expenses | 0 |  | 0 |  | 0 |  | 0 |
General and administrative expenses | 315 |  | 224 |  | 387 |  | 368 |
Other (income) expense, net | 0 |  | 0 |  | 0 |  | 0 |
Total costs and expenses | (2,920) |  | (3,276) |  | (5,558) |  | (6,527) |
Income (loss) from operations | 0 |  | 0 |  | 0 |  | 0 |
Foreign 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 | (26,246) |  | (24,030) |  | (55,019) |  | (34,203) |
Net income (loss) | (26,246) |  | (24,030) |  | (55,019) |  | (34,203) |
Defined benefit pension plans |  |  |  |  |  |  |  |
Amortization of actuarial loss | 0 |  | 0 |  | 0 |  | 0 |
Amortization of prior service costs and other | 0 |  | 0 |  | 0 |  | 0 |
Other comprehensive income, net of tax | 0 |  | 0 |  | 0 |  | 0 |
Comprehensive income (loss) | (26,246) |  | (24,030) |  | (55,019) |  | (34,203) |
Operating Segments [Member] |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |
Sales | 852,295 |  | 732,900 |  | 1,597,173 |  | 1,319,886 |
Costs and expenses |  |  |  |  |  |  |  |
Income (loss) before income taxes and equity in net income of affiliates | 21,900 |  | 19,900 |  | 46,500 |  | 26,300 |
Operating Segments [Member] | Boise Cascade Company (Parent) [Member] |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |
Sales | 0 |  | 0 |  | 0 |  | 0 |
Operating Segments [Member] | Guarantor Subsidiaries [Member] |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |
Sales | 848,515 |  | 729,794 |  | 1,590,898 |  | 1,314,042 |
Operating Segments [Member] | Non-guarantor Subsidiaries [Member] |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |
Sales | 3,780 |  | 3,106 |  | 6,275 |  | 5,844 |
Operating Segments [Member] | Eliminations [Member] |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |
Sales | 0 |  | 0 |  | 0 |  | 0 |
Intersegment Eliminations [Member] |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |
Sales | 0 |  | 0 |  | 0 |  | 0 |
Intersegment Eliminations [Member] | Boise Cascade Company (Parent) [Member] |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |
Sales | 0 |  | 0 |  | 0 |  | 0 |
Intersegment Eliminations [Member] | Guarantor Subsidiaries [Member] |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |
Sales | 0 |  | 0 |  | 0 |  | 0 |
Intersegment Eliminations [Member] | Non-guarantor Subsidiaries [Member] |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |
Sales | 2,920 |  | 3,276 |  | 5,558 |  | 6,527 |
Intersegment Eliminations [Member] | Eliminations [Member] |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |
Sales | $ (2,920) |  | $ (3,276) |  | $ (5,558) |  | $ (6,527) |
[1] | Represents amounts reclassified from accumulated other comprehensive loss. These amounts are included in the computation of net periodic pension cost. For additional information, see Note 6, Retirement and Benefit Plans.

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