Contingency Reserves (Tables)

3 Months Ended

Mar. 31, 2013

Commitments and Contingencies Disclosure [Abstract]

Schedule of Loss Contingencies by Contingency [Table Text Block]

LP maintains reserves for various contingent liabilities as follows:

Dollar amounts in millions	March 31, 2013			December 31, 2012
Environmental reserves	$	14.0		$	14.1
Other reserves	0.6			0.7
Total contingency reserves	14.6			14.8
Current portion of contingency reserves	(2.0		)	(2.0		)
Long-term portion of contingency reserves	$	12.6		$	12.8

Settlement Agreement Reserve Rollforward [Table Text Block]