CONSOLIDATED STATEMENT OF EQUITY (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
CONSOLIDATED STATEMENT OF EQUITY
Unrecognized gain reclassified to earnings, tax	$ (336)	$ (337)	$ (337)
Pension and other postretirement liability adjustment, tax effect	$ (37,904)	$ (2,145)	$ (15,148)
Cash dividends declared on common stock, per share (in dollars per share)	$ 0.96	$ 0.92	$ 0.90
Stock incentive programs and related tax effects, shares	309,942	981,364	340,549
Common stock issued (in shares)			8,175,000
Purchase of common stock, shares	5,000,000	1,531,200

Tax effects of the increase (decrease) to accumulated comprehensive income during the period related to benefit plans. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.

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Tax effect on reclassification adjustment for accumulated gains and losses from derivative instrument designated and qualifying as the effective portion of cash flow hedges included in accumulated comprehensive income that was realized in net income during the period.

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- Definition

Number of new stock issued during the period.

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- Definition

Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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