v3.5.0.2

Segment Reporting - Financial Information by Regional Segment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Segment Reporting Information [Line Items]
Gross Revenue	$ 2,917.6	$ 2,833.9	$ 8,487.1	$ 8,244.0
Intercompany Revenue	(508.3)	(489.9)	(1,478.6)	(1,419.2)
Total revenue	2,409.3	2,344.0	7,008.5	6,824.8
Depreciation, Amortization, Depletion and Accretion	272.1	266.8	805.0	785.5
Operating Income (Loss)	417.9	442.9	1,145.6	1,204.9
Capital Expenditures	226.7	232.8	738.7	732.0
Total Assets	20,661.7	20,791.8	20,661.7	20,791.8	$ 20,535.9
Group 1 | Operating Segments
Segment Reporting Information [Line Items]
Gross Revenue	1,347.9	1,295.8	3,907.9	3,764.6
Intercompany Revenue	(269.3)	(259.5)	(778.7)	(753.4)
Total revenue	1,078.6	1,036.3	3,129.2	3,011.2
Depreciation, Amortization, Depletion and Accretion	105.9	101.2	313.0	295.6
Operating Income (Loss)	235.1	220.8	670.2	642.9
Capital Expenditures	119.3	125.0	337.8	318.7
Total Assets	9,199.3	9,341.5	9,199.3	9,341.5
Group 2 | Operating Segments
Segment Reporting Information [Line Items]
Gross Revenue	1,516.5	1,492.6	4,433.4	4,347.6
Intercompany Revenue	(235.5)	(227.0)	(689.8)	(655.9)
Total revenue	1,281.0	1,265.6	3,743.6	3,691.7
Depreciation, Amortization, Depletion and Accretion	136.2	139.1	405.3	408.5
Operating Income (Loss)	261.8	239.0	748.4	717.4
Capital Expenditures	96.4	89.2	259.1	266.7
Total Assets	9,908.9	9,929.2	9,908.9	9,929.2
Corporate Entities | Corporate Entities
Segment Reporting Information [Line Items]
Gross Revenue	53.2	45.5	145.8	131.8
Intercompany Revenue	(3.5)	(3.4)	(10.1)	(9.9)
Total revenue	49.7	42.1	135.7	121.9
Depreciation, Amortization, Depletion and Accretion	30.0	26.5	86.7	81.4
Operating Income (Loss)	(79.0)	(16.9)	(273.0)	(155.4)
Capital Expenditures	11.0	18.6	141.8	146.6
Total Assets	$ 1,553.5	$ 1,521.1	$ 1,553.5	$ 1,521.1

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 210
-Section S99
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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