v2.4.0.8

Equity method investments | 6 Months Ended
--- | ---
Jun. 30, 2013
Equity method investments |
Equity method investments | 3. Equity method investments The following summarizes the operating results for the three and six months ended June 30, 2013 and 2012, respectively, for earnings in our equity method investments:
|  | Three months ended June 30, |  | Six months ended June 30, |
--- | --- | --- | --- | --- | ---
(in millions) |  | 2013 |  | 2012 |  | 2013 |  | 2012 |
Project revenue |  |  |  |  |  |  |  |  |  |  |  |  |
Chambers |  | $ | 13.4 |  | $ | 14.7 |  | $ | 26.6 |  | $ | 28.0 |
Other |  |  | 41.2 |  |  | 38.8 |  |  | 80.6 |  |  | 78.9 |
|  |  | 54.6 |  |  | 53.5 |  |  | 107.2 |  |  | 106.9 |
Project expenses |  |  |  |  |  |  |  |  |  |  |  |  |
Chambers |  |  | 11.1 |  |  | 8.7 |  |  | 20.7 |  |  | 18.5 |
Other |  |  | 34.5 |  |  | 36.6 |  |  | 68.1 |  |  | 72.3 |
|  |  | 45.6 |  |  | 45.3 |  |  | 88.8 |  |  | 90.8 |
Project other expenses |  |  |  |  |  |  |  |  |  |  |  |  |
Chambers |  |  | (0.6 | ) |  | (0.4 | ) |  | (1.2 | ) |  | (1.6 | )
Other |  |  | 0.3 |  |  | (2.3 | ) |  | (1.3 | ) |  | (6.1 | )
|  |  | (0.3 | ) |  | (2.7 | ) |  | (2.5 | ) |  | (7.7 | )
Project income |  |  |  |  |  |  |  |  |  |  |  |  |
Chambers |  |  | 1.7 |  |  | 5.6 |  |  | 4.7 |  |  | 7.9 |
Other |  |  | 7.0 |  |  | (0.1 | ) |  | 11.2 |  |  | 0.5 |
|  |  | 8.7 |  |  | 5.5 |  |  | 15.9 |  |  | 8.4 |

X
- Details
Name: | us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for equity method investments and joint ventures. Equity method investments are investments that give the investor the ability to exercise significant influence over the operating and financial policies of an investee. Joint ventures are entities owned and operated by a small group of businesses as a separate and specific business or project for the mutual benefit of the members of the group. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 35 -Paragraph 35 -URI http://asc.fasb.org/extlink&oid=7658923&loc=d3e32847-111569 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 35 -Paragraph 32 -URI http://asc.fasb.org/extlink&oid=7658923&loc=d3e32787-111569 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 18 -Paragraph 20 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_EquityMethodInvestmentsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration