Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity and Comprehensive income (Narrative)

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Shareholders' Equity and Comprehensive income (Narrative)
Jun. 30, 2011
Bloom Lake [Member]
 
Percentage Of Ownership Interests 75.00%
Tilden [Member]
 
Percentage Of Ownership Interests 85.00%
Empire [Member]
 
Percentage Of Ownership Interests 79.00%
renewaFUEL [Member]
 
Percentage Of Ownership Interests 95.00%