Capital Stock	3 Months Ended
Mar. 31, 2012
Shareholders' Equity, Capital Stock and Other Comprehensive Income [Abstract]
Capital Stock	Note 11—Capital Stock Pursuant to our stockholder rights plan, each share of common stock outstanding is coupled with one-quarter of a preferred stock purchase right (Right). Each Right entitles our stockholders to purchase, under certain conditions, one one-hundredth of a share of newly issued Series A Junior Participating Preferred Stock at an exercise price of $100. Rights will be exercisable only if someone acquires beneficial ownership of 20 percent or more of our common shares or commences a tender or exchange offer, upon consummation of which they would beneficially own 20 percent or more of our common shares. We will generally be entitled to redeem the Rights at $0.001 per Right at any time until the 10th business day following public announcement that a 20 percent position has been acquired. The Rights will expire on December 11, 2017. Please read Note 17 for information about additional shares of common stock that could be issued under terms of our share-based compensation plans. As a result of the 2007 spin-offs from Temple-Inland, at first quarter-end 2012, personnel of Temple-Inland and the other spin-off entity held options to purchase 986,000 shares of our common stock. The options have a weighted average exercise price of $22.45 and a weighted average remaining contractual term of three years. At first quarter-end 2012, the options have an aggregate intrinsic value of $770,000.

Capital Stock

3 Months Ended

Mar. 31, 2012

Shareholders' Equity, Capital Stock and Other Comprehensive Income [Abstract]

Note 11—Capital Stock

Pursuant to our stockholder rights plan, each share of common stock outstanding is coupled with one-quarter of a preferred stock purchase right (Right). Each Right entitles our stockholders to purchase, under certain conditions, one one-hundredth of a share of newly issued Series A Junior Participating Preferred Stock at an exercise price of $100. Rights will be exercisable only if someone acquires beneficial ownership of 20 percent or more of our common shares or commences a tender or exchange offer, upon consummation of which they would beneficially own 20 percent or more of our common shares. We will generally be entitled to redeem the Rights at $0.001 per Right at any time until the 10th business day following public announcement that a 20 percent position has been acquired. The Rights will expire on December 11, 2017.

Please read Note 17 for information about additional shares of common stock that could be issued under terms of our share-based compensation plans.

As a result of the 2007 spin-offs from Temple-Inland, at first quarter-end 2012, personnel of Temple-Inland and the other spin-off entity held options to purchase 986,000 shares of our common stock. The options have a weighted average exercise price of $22.45 and a weighted average remaining contractual term of three years. At first quarter-end 2012, the options have an aggregate intrinsic value of $770,000.