Intangible Assets and Goodwill, Goodwill Related to Acquisitions (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2010
Goodwill [Line Items]
Goodwill related to acquisitions	$ 89.4	[1],[2]
State Line and Fairplay [Member]
Goodwill [Line Items]
Goodwill related to acquisitions	26.2
Trucking Assets Acquired From EPCO [Member]
Goodwill [Line Items]
Goodwill related to acquisitions	5.5
Marine Shipyard Business [Member]
Goodwill [Line Items]
Goodwill related to acquisitions	49.5
Other [Member]
Goodwill [Line Items]
Goodwill related to acquisitions	$ 8.2

[1] Amount presented for Petrochemical & Refined Products Services includes $5.5 million of goodwill that was part of the drop down of trucking assets from EPCO (see Note 15).

[2] We attribute these goodwill amounts to our ability to leverage the acquired businesses with our existing asset base to create future business opportunities.