|
Financial Instruments (Details Textual) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
Mar. 31, 2013
|
Dec. 31, 2012
|
Mar. 31, 2013
Recycling commodity hedges [Member]
Other Income [Member]
|
Mar. 31, 2012
Recycling commodity hedges [Member]
Other Income [Member]
|
Mar. 31, 2013
Fuel hedges [Member]
Other Expense [Member]
|
Mar. 31, 2012
Fuel hedges [Member]
Other Expense [Member]
|
Mar. 31, 2013
Fair Value, Measurements, Recurring [Member]
Recycling commodity hedges [Member]
|
Dec. 31, 2012
Fair Value, Measurements, Recurring [Member]
Recycling commodity hedges [Member]
|
Mar. 31, 2013
Fair Value, Measurements, Recurring [Member]
Fuel hedges [Member]
|
Dec. 31, 2012
Fair Value, Measurements, Recurring [Member]
Fuel hedges [Member]
|
|
| Derivative [Line Items] | ||||||||||
| Current derivative assets | $ 0.4 | $ 1.0 | $ 5.0 | $ 3.1 | ||||||
| Fair value of fuel and commodity hedges included in other accrued liabilities | 1.8 | 1.6 | 1.7 | 1.2 | 0.1 | 0.4 | ||||
| Ineffective portion of changes in fair value resulting in (losses) gains, recorded in other income (expense) (less than $0.1 million for the periods ended) | $ 0.1 | $ 0.1 | $ 0.1 | $ 0.1 | ||||||