|
Goodwill (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 9 Months Ended | 12 Months Ended | 1 Months Ended | 9 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|---|---|---|---|---|---|
|
Sep. 30, 2013
item
|
Sep. 30, 2013
item
|
Dec. 31, 2011
Partnership
|
Mar. 31, 2010
Rollcast
|
Sep. 30, 2013
Northeast
|
Sep. 30, 2013
Northwest
|
Dec. 31, 2012
Northwest
|
Sep. 30, 2013
Southwest
|
Jun. 30, 2013
Un-allocated Corporate
|
Sep. 30, 2013
Un-allocated Corporate
|
|
| Goodwill | ||||||||||
| Capitalized development costs at Rollcast related to the Greenway development project written-off | $ 1.4 | |||||||||
| Number of lease and steam projects | 2 | 2 | ||||||||
| Goodwill | ||||||||||
| Goodwill recorded in connection with the acquisition | 331.1 | 3.5 | ||||||||
| Goodwill | ||||||||||
| Balance at the beginning of the period | 334.7 | 135.3 | 138.3 | 138.3 | 57.6 | 3.5 | ||||
| Impairment of goodwill | 34.9 | 34.9 | (30.8) | (4.1) | 3.5 | (3.5) | ||||
| Impairment of goodwill | 38.4 | |||||||||
| Balance at the end of the period | $ 296.3 | $ 296.3 | $ 104.5 | $ 138.3 | $ 138.3 | $ 53.5 |