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Level 4 Segment Information (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2013 Integer | Dec. 31, 2012 | Dec. 31, 2011
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Reportable Segments |  |  |  |  |  |  |  |  |  | 3 |  |  |  |  |
Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales | $ 798,300,000 | [1] | $ 878,000,000 | $ 852,300,000 | $ 744,900,000 | $ 694,600,000 | $ 764,600,000 | $ 732,900,000 | $ 587,000,000 | $ 3,273,496,000 |  | $ 2,779,062,000 |  | $ 2,248,088,000 |
Other Segment Information [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income (loss) before income taxes |  |  |  |  |  |  |  |  |  | 78,148,000 |  | 41,803,000 |  | (46,123,000) |
Depreciation and amortization |  |  |  |  |  |  |  |  |  | 38,038,000 |  | 33,407,000 |  | 37,022,000 |
EBITDA |  |  |  |  |  |  |  |  |  | 136,400,000 | [2] | 96,600,000 | [2] | 9,500,000 | [2]
Capital expenditures |  |  |  |  |  |  |  |  |  | 148,800,000 |  | 29,700,000 |  | 39,300,000 |
Assets | 1,104,186,000 |  |  |  |  | 827,784,000 |  |  |  | 1,104,186,000 |  | 827,784,000 |  | 896,700,000 |
Reconciliation from Segment Totals to Consolidated [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest expense |  |  |  |  |  |  |  |  |  | (20,426,000) |  | (21,757,000) |  | (18,987,000) |
Interest income |  |  |  |  |  |  |  |  |  | 241,000 |  | 392,000 |  | 407,000 |
Footnotes [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisitions of businesses and facilities |  |  |  |  |  |  |  |  |  | 103,029,000 |  | 2,355,000 |  | 5,782,000 |
Accelerated depreciation on facility curtailment |  |  |  |  |  |  |  |  |  |  |  |  |  | 400,000 |
Noncash asset write-downs |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,000,000 |
Income tax benefit |  |  |  |  |  |  |  |  |  | (68,666,000) |  |  |  |  |
Wood Products [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  |  | 1,134,100,000 |  | 943,300,000 |  | 712,500,000 |
Other Segment Information [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income (loss) before income taxes |  |  |  |  |  |  |  |  |  | 77,700,000 |  | 55,800,000 |  | (15,100,000) | [3]
Depreciation and amortization |  |  |  |  |  |  |  |  |  | 28,700,000 |  | 24,400,000 |  | 28,400,000 | [3]
EBITDA |  |  |  |  |  |  |  |  |  | 106,300,000 | [2] | 80,200,000 | [2] | 13,300,000 | [2]
Capital expenditures |  |  |  |  |  |  |  |  |  | 133,600,000 | [4] | 22,700,000 | [4] | 29,300,000 | [4]
Assets | 514,500,000 |  |  |  |  | 366,100,000 |  |  |  | 514,500,000 |  | 366,100,000 |  | 351,600,000 |
Footnotes [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncash asset write-downs |  |  |  |  |  |  |  |  |  |  |  |  |  | 900,000 |
Building Materials Distribution [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  |  | 2,599,600,000 |  | 2,190,200,000 |  | 1,779,400,000 |
Other Segment Information [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income (loss) before income taxes |  |  |  |  |  |  |  |  |  | 39,900,000 |  | 24,000,000 |  | 2,000,000 | [3]
Depreciation and amortization |  |  |  |  |  |  |  |  |  | 9,200,000 |  | 8,800,000 |  | 8,400,000 |
EBITDA |  |  |  |  |  |  |  |  |  | 49,200,000 | [2] | 32,900,000 | [2] | 10,400,000 | [2]
Capital expenditures |  |  |  |  |  |  |  |  |  | 14,700,000 |  | 7,100,000 |  | 10,000,000 |
Assets | 456,100,000 |  |  |  |  | 415,700,000 |  |  |  | 456,100,000 |  | 415,700,000 |  | 366,900,000 |
Footnotes [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noncash asset write-downs |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,200,000 |
Corporate and Other [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |
Other Segment Information [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income (loss) before income taxes |  |  |  |  |  |  |  |  |  | (19,300,000) |  | (16,700,000) |  | (14,500,000) |
Depreciation and amortization |  |  |  |  |  |  |  |  |  | 100,000 |  | 100,000 |  | 200,000 |
EBITDA |  |  |  |  |  |  |  |  |  | (19,100,000) | [2] | (16,500,000) | [2] | (14,200,000) | [2]
Capital expenditures |  |  |  |  |  |  |  |  |  | 500,000 |  | 0 |  | 0 |
Assets | 133,600,000 |  |  |  |  | 46,000,000 |  |  |  | 133,600,000 |  | 46,000,000 |  | 178,200,000 |
Intersegment Eliminations [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  |  | (460,200,000) |  | (354,400,000) |  | (243,700,000) |
Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  |  | 3,273,496,000 |  | 2,779,062,000 |  | 2,248,088,000 |
Other Segment Information [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income (loss) before income taxes |  |  |  |  |  |  |  |  |  | 98,300,000 |  | 63,200,000 |  | (27,500,000) |
Operating Segments [Member] | Wood Products [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  |  | 674,000,000 |  | 589,300,000 |  | 470,200,000 |
Operating Segments [Member] | Building Materials Distribution [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  |  | 2,599,500,000 |  | 2,189,800,000 |  | 1,777,900,000 |
Operating Segments [Member] | Corporate and Other [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |
Intersegment Eliminations [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |
Intersegment Eliminations [Member] | Wood Products [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  |  | 460,100,000 |  | 353,900,000 |  | 242,300,000 |
Intersegment Eliminations [Member] | Building Materials Distribution [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  |  | 100,000 |  | 500,000 |  | 1,400,000 |
Intersegment Eliminations [Member] | Corporate and Other [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |
Intersegment Eliminations [Member] | Intersegment Eliminations [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  |  | (460,200,000) |  | (354,400,000) |  | (243,700,000) |
Other Expense [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Footnotes [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Facility closure and curtailment |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,300,000 |
Sales [Member] | Credit Concentration Risk [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Concentration Risk, Percentage |  |  |  |  |  |  |  |  |  | 11.00% |  | 11.00% |  |  |
[1] | (b)The three months ended December 31, 2013, include the results of the recently acquired plywood plants, Chester Wood Products LLC and Moncure Plywood LLC.
[2] | (c)EBITDA is defined as income (loss) before interest (interest expense and interest income), income taxes, and depreciation and amortization. EBITDA is the primary measure used by our chief operating decision maker to evaluate segment operating performance and to decide how to allocate resources to segments. We believe EBITDA is useful to investors because it provides a means to evaluate the operating performance of our segments and our company on an ongoing basis using criteria that are used by our internal decision makers and because it is frequently used by investors and other interested parties when comparing companies in our industry that have different financing and capital structures and/or tax rates. We believe EBITDA is a meaningful measure because it presents a transparent view of our recurring operating performance and allows management to readily view operating trends, perform analytical comparisons, and identify strategies to improve operating performance. EBITDA, however, is not a measure of our liquidity or financial performance under generally accepted accounting principles (GAAP) and should not be considered as an alternative to net income (loss), income (loss) from operations, or any other performance measure derived in accordance with GAAP or as an alternative to cash flow from operating activities as a measure of our liquidity. The use of EBITDA instead of net income (loss) or segment income (loss) has limitations as an analytical tool, including the inability to determine profitability; the exclusion of interest expense, interest income, and associated significant cash requirements; and the exclusion of depreciation and amortization, which represent unavoidable operating costs. Management compensates for the limitations of EBITDA by relying on our GAAP results. Our measure of EBITDA is not necessarily comparable to other similarly titled captions of other companies due to potential inconsistencies in the methods of calculation.The following is a reconciliation of net income (loss) to EBITDA for the consolidated company: Year Ended December 31 2013 2012 2011 (millions)Net income (loss) (1) $116.9 $41.5 $(46.4)Interest expense 20.4 21.8 19.0Interest income (0.2) (0.4) (0.4)Income tax provision (benefit) (1) (38.8) 0.3 0.2Depreciation and amortization 38.0 33.4 37.0EBITDA $136.4 $96.6 $9.5 _______________________________________ (1)The year ended December 31, 2013, includes a $68.7 million income tax benefit associated with the recording of net deferred tax assets upon our conversion to a corporation.
[3] | (b)In 2011, we permanently closed a laminated beam plant in our Wood Products segment, and we recorded the related expense of $1.3 million in "Other (income) expense, net" and $0.4 million of accelerated depreciation in "Depreciation and Amortization" in our Consolidated Statement of Operations. Also during the year ended December 31, 2011, we recorded $2.0 million of noncash asset write-downs in "Other (income) expense, net," of which $1.2 million was recorded in our Building Materials Distribution segment and $0.9 million was recorded in our Wood Products segment.
[4] | (a)Capital spending in 2013 for Wood Products includes $103.0 million for the acquisition of two plywood manufacturing facilities in the Carolinas. Capital spending in 2012 for Wood Products includes $2.4 million for the acquisition of a sawmill in Arden, Washington. Capital spending in 2011 for Wood Products includes $5.8 million for the acquisition of a laminated beam and decking manufacturing plant in Homedale, Idaho.

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