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Quarterly Results for 2011 and 2010 (UNAUDITED) (Notes) | 12 Months Ended
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Dec. 31, 2011
Quarterly Financial Information Disclosure [Abstract] |
Quarterly Results for 2011 and 2010 (UNAUDITED) [Text Block] |
21. | QUARTERLY RESULTS FOR 2011 and 2010 (UNAUDITED)
(Thousands of dollars, except per share amounts)
| Quarter Ended |  | Total Year
| March 31 |  | June 30 |  | Sept. 30 |  | Dec. 31 |
2011 |  |  |  |  |  |  |  |  |
Sales | $ | 357,731 |  |  | $ | 357,397 |  |  | $ | 385,091 |  |  | $ | 388,423 |  |  | $ | 1,488,642 |
Operating Income | 87,578 |  |  | 79,073 |  |  | 108,310 |  |  | 81,325 |  | (a) | 356,286 |
Net Income | 58,412 |  |  | 56,454 |  |  | 104,909 |  | (b) | 56,230 |  | (a) | 276,005 |
Basic EPS (e) | 0.48 |  |  | 0.46 |  |  | 0.86 |  |  | 0.46 |  |  | 2.27 |
Diluted EPS (e) | 0.47 |  |  | 0.45 |  |  | 0.84 |  |  | 0.45 |  |  | 2.20 |
2010 |  |  |  |  |  |  |  |  |
Sales | $ | 310,200 |  |  | $ | 312,210 |  |  | $ | 377,515 |  |  | $ | 315,308 |  |  | $ | 1,315,233 |
Operating Income | 76,860 |  | (c) | 56,344 |  |  | 92,082 |  |  | 56,665 |  |  | 281,951 |
Net Income | 56,953 |  | (c) | 38,558 |  |  | 62,904 |  |  | 59,171 |  | (d) | 217,586 |
Basic EPS (e) | 0.48 |  |  | 0.32 |  |  | 0.52 |  |  | 0.49 |  |  | 1.81 |
Diluted EPS (e) | 0.47 |  |  | 0.32 |  |  | 0.51 |  |  | 0.48 |  |  | 1.79 |
(a) | Fourth quarter 2011 included a pre-tax $6.5 million ($4.1 million after tax) increase in a disposition reserve.
(b) | Third quarter 2011 included a benefit of $16.0 million from the reversal of a reserve related to the taxability of the AFMC.
(c) | First quarter 2010 included a pre-tax $12.4 million ($11.5 million after tax) gain from the sale of a portion of the Company's interest in its New Zealand JV. See Note 5 — Joint Venture Investment for further information.
(d) | Fourth quarter 2010 included a tax benefit of $24.3 million related to the CBPC. See Note 8 — Income Taxes.
(e) | The impact of the August 2011 three-for-two stock split is reflected for all periods presented. See Note 9 — Earnings per Common Share for further information.

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- Definition The entire disclosure for the quarterly financial data in the annual financial statements. The disclosure may include a tabular presentation of financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income or loss before extraordinary items and earnings per share data. It also includes an indication if the information in the note is unaudited, comments on the aggregate effect of year-end adjustments, and an explanation of matters or transactions that affect comparability or are pertinent to an understanding of the information furnished. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section G -Subsection 1 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6372559&loc=d3e725-108305 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 28 -Paragraph 23, 24 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6372559&loc=d3e765-108305 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 28 -Paragraph 30 -Subparagraph a-j -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 302 -Paragraph a Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=6952194&loc=d3e1280-108306 + Details
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