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Other Net	12 Months Ended
Dec. 31, 2011
Other Net [Abstract]
Other - Net	Note 18—Other—Net Other income increased by $1,012 in 2011 compared with 2010, primarily as a result of the change in accounting for COOCSA in 2011. COOCSA was treated as an unconsolidated subsidiary prior to the acquisition of an additional 21 percent ownership in the first quarter of 2011. In connection with its increased investment in COOCSA, the Company recorded a gain of $4,989 on its original investment, which represents the excess of the fair value over the carrying value of the investment as of the transaction date. Partially offsetting this gain is the absence of equity investment earnings from COOCSA that are now included as a part of the consolidation, rather than in other income as in 2010. Other income increased by $1,562 in 2010 compared with 2009, primarily due to increased equity earnings in COOCSA offset by the absence of proceeds from the settlement of a lawsuit in 2009.

Other Net

12 Months Ended

Dec. 31, 2011

Note 18—Other—Net

Other income increased by $1,012 in 2011 compared with 2010, primarily as a result of the change in accounting for COOCSA in 2011. COOCSA was treated as an unconsolidated subsidiary prior to the acquisition of an additional 21 percent ownership in the first quarter of 2011. In connection with its increased investment in COOCSA, the Company recorded a gain of $4,989 on its original investment, which represents the excess of the fair value over the carrying value of the investment as of the transaction date. Partially offsetting this gain is the absence of equity investment earnings from COOCSA that are now included as a part of the consolidation, rather than in other income as in 2010.

Other income increased by $1,562 in 2010 compared with 2009, primarily due to increased equity earnings in COOCSA offset by the absence of proceeds from the settlement of a lawsuit in 2009.