|
Segment Reporting (Details 1) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Dec. 31, 2011
|
Sep. 30, 2011
|
Jun. 30, 2011
|
Mar. 31, 2011
|
Dec. 31, 2010
|
Sep. 30, 2010
|
Jun. 30, 2010
|
Mar. 31, 2010
|
Dec. 31, 2011
|
Dec. 31, 2010
|
Dec. 31, 2009
|
|
| Revenue by service line | |||||||||||
| Total collection | $ 6,171.5 | $ 6,173.2 | $ 6,308.7 | ||||||||
| Transfer | 978.0 | 1,030.3 | 1,111.1 | ||||||||
| Less: Intercompany | (556.6) | (587.9) | (611.2) | ||||||||
| Transfer, net | 421.4 | 442.4 | 499.9 | ||||||||
| Landfill | 1,867.6 | 1,865.8 | 1,892.5 | ||||||||
| Less: Intercompany | (846.9) | (861.7) | (891.6) | ||||||||
| Landfill, net | 1,020.7 | 1,004.1 | 1,000.9 | ||||||||
| Sale of recycling materials | 438.6 | 337.9 | 229.8 | ||||||||
| Other non-core | 140.7 | 149.0 | 159.8 | ||||||||
| Other | 579.3 | 486.9 | 389.6 | ||||||||
| Total revenue | 2,025.2 | 2,116.2 | 2,086.6 | 1,964.9 | 2,020.8 | 2,061.7 | 2,066.4 | 1,957.7 | 8,192.9 | 8,106.6 | 8,199.1 |
| Total collection (in percentage) | 75.40% | 76.20% | 76.90% | ||||||||
| Transfer, net (in percentage) | 5.10% | 5.40% | 6.10% | ||||||||
| Landfill, net (in percentage) | 12.50% | 12.40% | 12.20% | ||||||||
| Sale of recycling materials (in percentage) | 5.40% | 4.20% | 2.80% | ||||||||
| Other non-core (in percentage) | 1.60% | 1.80% | 2.00% | ||||||||
| Other (in percentage) | 7.00% | 6.00% | 4.80% | ||||||||
| Total revenue (in percentage) | 100.00% | 100.00% | 100.00% | ||||||||
|
Residential [Member]
|
|||||||||||
| Revenue by service line | |||||||||||
| Total collection | 2,135.7 | 2,173.9 | 2,187.0 | ||||||||
| Total collection (in percentage) | 26.10% | 26.80% | 26.70% | ||||||||
|
Commercial [Member]
|
|||||||||||
| Revenue by service line | |||||||||||
| Total collection | 2,487.5 | 2,486.8 | 2,553.4 | ||||||||
| Total collection (in percentage) | 30.40% | 30.70% | 31.10% | ||||||||
|
Industrial [Member]
|
|||||||||||
| Revenue by service line | |||||||||||
| Total collection | 1,515.4 | 1,482.9 | 1,541.4 | ||||||||
| Total collection (in percentage) | 18.50% | 18.30% | 18.80% | ||||||||
|
Other [Member]
|
|||||||||||
| Revenue by service line | |||||||||||
| Total collection | $ 32.9 | $ 29.6 | $ 26.9 | ||||||||
| Total collection (in percentage) | 0.40% | 0.40% | 0.30% | ||||||||