v2.4.0.8

Equity method investments (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Operating results |  |  |  |
Project revenue | $ 50.6 | $ 51.6 | $ 157.7 | $ 158.5
Project expenses | 39.4 | 48.1 | 128.3 | 138.9
Project other income (expense) | 27.9 | 0.5 | 25.6 | (7.2)
Project income | 39.1 | 4.0 | 55.0 | 12.4
Chambers |  |  |  |
Operating results |  |  |  |
Project revenue | 13.4 | 12.2 | 40.0 | 40.1
Project expenses | 10.1 | 9.6 | 30.8 | 28.1
Project other income (expense) | (0.7) | 0.2 | (1.8) | (1.4)
Project income | 2.6 | 2.8 | 7.4 | 10.6
Other |  |  |  |
Operating results |  |  |  |
Project revenue | 37.2 | 39.4 | 117.7 | 118.4
Project expenses | 29.3 | 38.5 | 97.5 | 110.8
Project other income (expense) | 28.6 | 0.3 | 27.4 | (5.8)
Project income | $ 36.5 | $ 1.2 | $ 47.6 | $ 1.8

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- Definition The aggregate amount of income (expense) from major activities considered as part of the normal operations of the business reported by an equity method investment of the entity. + References No definition available. + Details
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- Definition The amount of net income (loss) reported by an equity method investment of the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(g)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -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 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33912-111571 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 28 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14064-108612 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph bb -Article 1 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph g -Subparagraph 1, 2 -Article 4 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph w -Article 1 + Details
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- Definition The amount of revenue from sale of goods and services reduced by sales returns, allowances, and discounts reported by an equity method investment of the entity. + References No definition available. + Details
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