Quarterly report pursuant to Section 13 or 15(d)

Business and Organization (Details)

 v2.3.0.11
Business and Organization (Details) (USD $)
In Millions, except Share data
 3 Months Ended 6 Months Ended 0 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2011
Jun. 30, 2010
Oct. 25, 2010
Exchangeable Shares of Subsidiary [Member]
Valard Construction LP [Member]
Oct. 25, 2010
Valard Construction LP [Member]
Additional Business and Organization (Textuals) [Abstract]            
Cash paid for acquisition           $ 118.9
Number of shares issued for acquisition of a company         3,909,110 623,720
Aggregate value of shares issued for acquisition of a company           88.5
Payment of cash to repay acquiree debt           $ 12.8
Business and Organization (Textuals) [Abstract]            
Fiber Optic Licensing terms, minimum in years 5 years 5 years 5 years 5 years    
Fiber Optic Licensing terms, maximum in years 25 years 25 years 25 years 25 years