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Condensed Consolidated Statements of Income and Comprehensive Income (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2012 | Mar. 31, 2011 | Dec. 31, 2011
SALES | $ 355,780 | $ 357,731 |
Costs and Expenses |  |  |
Cost of sales | 253,313 | 257,511 |
Selling and general expenses | 19,619 | 16,433 |
Other operating income, net | (1,148) | (2,118) |
Costs and Expenses, Total | 271,784 | 271,826 |
Equity in income of New Zealand joint venture | 13 | 1,673 |
OPERATING INCOME | 84,009 | 87,578 |
Interest expense | (11,825) | (13,317) |
Interest and miscellaneous (expense) income, net | (23) | 293 |
INCOME BEFORE INCOME TAXES | 72,161 | 74,554 |
Income tax expense | (18,724) | (16,142) |
NET INCOME | 53,437 | 58,412 | 276,005
OTHER COMPREHENSIVE INCOME (LOSS) |  |  |
Foreign currency translation adjustment | 5,825 | 288 | 3,546
New Zealand joint venture cash flow hedges | 1,205 | (567) | (2,373)
Amortization of gains/losses from pension and postretirement plans, net of income tax expense of $1,368 and $928 | 3,140 | 2,093 | (46,263)
Total other comprehensive income | 10,170 | 1,814 |
COMPREHENSIVE INCOME | $ 63,607 | $ 60,226 |
EARNINGS PER COMMON SHARE (Note 2) |  |  |
Basic earnings per share | $ 0.44 | $ 0.48 |
Diluted earnings per share | $ 0.42 | $ 0.47 |
Dividends per share | $ 0.40 | $ 0.36 | $ 1.52

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- Definition Net of tax effect change in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges after taxes. A cash flow hedge is a hedge of the exposure to variability in the cash flows of a recognized asset or liability or a forecasted transaction that is attributable to a particular risk. The change includes an entity's share of an equity investee's increase or decrease in deferred hedging gains or losses. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 31, 46 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 14, 17, 20, 24, 26 -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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 46 -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 220 -SubTopic 10 -Section 55 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6920433&loc=d3e998-108581 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 24 -Subparagraph b -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 FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 14, 17, 20, 26 -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 7: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(3) -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. + Details
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