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EQUITY INVESTMENT INCOME, NET
6 Months Ended
Jun. 30, 2011
EQUITY INVESTMENT INCOME, NET [Abstract]  
EQUITY INVESTMENT INCOME, NET [Text Block]
10.
EQUITY INVESTMENT INCOME, NET

Equity investment income includes investment income from Triton of $3.2 million and $7.4 million for the three and six months ended June 30, 2011, respectively, and $1.8 million and $3.2 million, respectively, for the same periods in 2010.  Nicor received cash distributions from equity investees for the three and six months ended June 30, 2011 of $4.1 million and $8.2 million, respectively, and $5.4 million and $7.9 million, respectively, for the same periods in 2010.