XML 22 R28.htm IDEA: XBRL DOCUMENT v2.4.0.8
Goodwill (Details)
6 Months Ended
Jun. 30, 2014
Fair value assumptions  
Annual average revenue growth rate 3.00%
Projected growth rates after discrete forecast period 3.00%
Discrete forecast period 5 years
Control premium 33.00%
International
 
Fair value assumptions  
Weighted average cost of capital 14.50%
Enterprise value/EBITDA multiples 7.0
Percentage of excess of fair value of goodwill over carrying value 21.00%
North America
 
Fair value assumptions  
Weighted average cost of capital 15.00%
Enterprise value/EBITDA multiples 6.0
Percentage of excess of fair value of goodwill over carrying value 59.00%