Related Party Disclosure (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2012	Jun. 30, 2012
Schedule of Equity Method Investments [Line Items]
Purchase of services	$ 54.8	$ 188.0
Trade Accounts Payable	16.8	16.8
Ortowski Construction [Member]
Schedule of Equity Method Investments [Line Items]
Purchase of services	1.9	4.0
Trade Accounts Payable	1.9	1.9
ORTEQ Energy Services [Member]
Schedule of Equity Method Investments [Line Items]
Purchase of services	27.1	90.9
Trade Accounts Payable	6.1	6.1
Resource Transport [Member]
Schedule of Equity Method Investments [Line Items]
Purchase of services	3.0	8.0
Trade Accounts Payable	1.1	1.1
Texas Specialty Sands [Member]
Schedule of Equity Method Investments [Line Items]
Purchase of services	18.0	70.6
Trade Accounts Payable	5.9	5.9	5.9
ProFuel LLC [Member]
Schedule of Equity Method Investments [Line Items]
Purchase of services	3.7	13.4
Trade Accounts Payable	1.5	1.5
TIMBER CREEK REAL ESTATE PARTNERS [Member]
Schedule of Equity Method Investments [Line Items]
Purchase of services	1.1	1.1
Trade Accounts Payable	0.3	0.3
LINNENERGY[MEMBER]
Schedule of Equity Method Investments [Line Items]
Revenue from Related Parties	6.0	14.7
Accounts Receivable, Related Parties, Current	$ 3.5	$ 3.5