v3.4.0.3
Segment and geographic information (Detail)
$ in Millions
3 Months Ended
Mar. 31, 2016
USD ($)
segment
Mar. 31, 2015
USD ($)
Dec. 31, 2015
USD ($)
Segment and geographic information      
Number of Reportable Segments | segment 4    
Project revenues $ 106.4 $ 111.3  
Segment assets 1,660.0 1,957.3 $ 1,674.6
Project Adjusted EBITDA 62.5 58.6  
Change in fair value of derivative instruments 1.2 1.7  
Depreciation and amortization 29.9 32.9  
Interest, net 2.5 2.5  
Other project expense (income) 0.2    
Project income 28.7 21.5  
Administration 6.1 9.4  
Interest, net 16.6 25.7  
Foreign exchange loss (gain) 19.8 (32.2)  
Other income, net (2.5) (1.4)  
(Loss) income from continuing operations before income taxes (11.3) 20.0  
Income tax expense (benefit) 1.6 (4.6)  
Loss (income) from continuing operations (12.9) 24.6  
East U.S.      
Segment and geographic information      
Project revenues 39.4 37.6  
Segment assets 802.5 861.5  
Project Adjusted EBITDA 30.3 26.7  
Change in fair value of derivative instruments 0.7 2.6  
Depreciation and amortization 11.0 10.7  
Interest, net 2.5 2.5  
Project income 16.1 10.9  
(Loss) income from continuing operations before income taxes 16.1 10.9  
Loss (income) from continuing operations 16.1 10.9  
West U.S.      
Segment and geographic information      
Project revenues 19.1 23.0  
Segment assets 340.4 386.3  
Project Adjusted EBITDA 7.5 10.0  
Depreciation and amortization 9.9 9.7  
Project income (2.4) 0.3  
(Loss) income from continuing operations before income taxes (2.4) 0.3  
Loss (income) from continuing operations (2.4) 0.3  
Canada      
Segment and geographic information      
Project revenues 47.7 50.4  
Segment assets 439.4 618.3  
Project Adjusted EBITDA 24.8 23.7  
Change in fair value of derivative instruments (0.4) (1.6)  
Depreciation and amortization 8.8 12.3  
Project income 16.4 13.0  
(Loss) income from continuing operations before income taxes 16.4 13.0  
Loss (income) from continuing operations 16.4 13.0  
Un-Allocated Corporate      
Segment and geographic information      
Project revenues 0.2 0.3  
Segment assets 77.7 91.2  
Project Adjusted EBITDA (0.1) (1.8)  
Change in fair value of derivative instruments 0.9 0.7  
Depreciation and amortization 0.2 0.2  
Other project expense (income) 0.2    
Project income (1.4) (2.7)  
Administration 6.1 9.4  
Interest, net 16.6 25.7  
Foreign exchange loss (gain) 19.8 (32.2)  
Other income, net (2.5) (1.4)  
(Loss) income from continuing operations before income taxes (41.4) (4.2)  
Income tax expense (benefit) 1.6 (4.6)  
Loss (income) from continuing operations $ (43.0) $ 0.4