Related Party Transactions (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012
Schedule of Equity Method Investments [Line Items]
Purchase of services	$ 240.3
Trade Accounts Payable		23.2
Ortowski Construction [Member]
Schedule of Equity Method Investments [Line Items]
Purchase of services	4.1
ORTEQ Energy Services [Member]
Schedule of Equity Method Investments [Line Items]
Purchase of services	111.6
Trade Accounts Payable		13.4
Resource Transport [Member]
Schedule of Equity Method Investments [Line Items]
Purchase of services	12.1
Trade Accounts Payable		1.3
Texas Specialty Sands [Member]
Schedule of Equity Method Investments [Line Items]
Purchase of services	91.9
Trade Accounts Payable		6.9	6.0
ProFuel LLC [Member]
Schedule of Equity Method Investments [Line Items]
Purchase of services	18.9
Trade Accounts Payable		1.6
TIMBER CREEK REAL ESTATE PARTNERS [Member]
Schedule of Equity Method Investments [Line Items]
Purchase of services	1.7
LINNENERGY[MEMBER]
Schedule of Equity Method Investments [Line Items]
Revenue from Related Parties	21.1
Accounts Receivable, Related Parties, Current	$ 3.3