Current Year    
Management Discussion And Analysis  
Quarter Ended 30 September, 2012
Consolidated Financial Statements
Quarter Ended 30 September, 2012
Management Discussion And Analysis
Quarter Ended 30 June, 2012
Quarter Ended 30 June, 2012
Management Discussion And Analysis
Quarter Ended 31 March, 2012
Consolidated Financial Statements  
Quarter Ended 31 March, 2012
Previous Years    
Management Discussion And Analysis  
Year Ended 31 December, 2011
Consolidated Financial Statements  
Year Ended 31 December, 2011
Management Discussion And Analysis  
Nine months Ended 30 September, 2011
Consolidated Financial Statements  
Nine months Ended 30 September, 2011
Management Discussion And Analysis  
Six months Ended 30 June, 2011
Consolidated Financial Statements  
Six months Ended 30 June, 2011
Management Discussion And Analysis  
Quarter Ended 31 March, 2011
Consolidated Financial Statements  
Quarter Ended 31 March, 2011
     
Management Discussion And Analysis  
Year Ended 31 December, 2010
Consolidated Financial Statements  
Year Ended 31 December, 2010
Management Discussion And Analysis Revised  
Quarter Ended 30 September, 2010
Management Discussion And Analysis Revised  
Six months Ended 30 June, 2010
Management Discussion And Analysis  
Quarter Ended 30 September, 2010
Consolidated Financial Statements  
Nine months Ended 30 September, 2010
Consolidated Financial Statements Revised  
Six months Ended 30 June, 2010
Management Discussion And Analysis  
Six months Ended 30 June, 2010
Consolidated Financial Statements  
Six months Ended 30 June, 2010
Management Discussion And Analysis  
Quarter Ended 31 March, 2010
Consolidated Financial Statements  
Quarter Ended 31 March, 2010
Management Discussion And Analysis  
Year Ended 31 December, 2009
Consolidated Financial Statements  
Years Ended 31 December, 2009 and 2008
Management Discussion And Analysis  
Quarter Ended 30 September, 2009
Consolidated Interim Financial Statements  
Nine months Ended 30 September, 2009
Management Discussion And Analysis  
Six months Ended 30 June, 2009
Consolidated Interim Financial Statements  
Six months Ended 30 June, 2009
Management Discussion And Analysis  
Quarter Ended 31 March, 2009
Consolidated Interim Financial Statements  
Quarter Ended 31 March, 2009
 
Year Ended 31 December, 2008
 
Years Ended 31 December, 2008 and 2007
 
Quarter Ended 30 September, 2008
 
Nine months Ended 30 September, 2008
 
Quarter Ended 30 June, 2008
 
Six months Ended 30 June, 2008
 
Quarter Ended 31 March, 2008
Consolidated Interim Financial Statements  
Three Months Ended 31 March, 2008
 
Year Ended 31 December, 2007
 
Year Ended 31 December, 2007
 
Nine Months Ended 30 September, 2007
 
Nine Months Ended 30 September, 2007
 
Six Months Ended 30 June, 2007
 
Six Months Ended 30 June, 2007
 
Three Months Ended 31 March, 2007
Audited Consolidated Financial Statements  
Years Ended 31 December, 2006
 
Nine Months Ended 30 September, 2006
 
Six Months Ended 30 June, 2006
 
Three Months Ended 31 March, 2006
 
Six Months Ended 30 June, 2005
 
Nine Months Ended 30 September, 2004
 
Six Months Ended 30 June, 2004