Net Earnings per Common Unit (Tables)

9 Months Ended

Sep. 30, 2014

Net Earnings per Common Unit

Schedule of calculation for net earnings per common unit

	Three months ended September 30,						Nine months ended September 30,
	2014			2013			2014			2013
	(dollars in millions, except per unit amounts)
Basic earnings per Common Unit:
Net earnings	$	72.0		$	72.7		$	275.0		$	388.8
Net earnings allocable to General Partner		(23.3	)		(25.4	)		(105.5	)		(162.2	)
Net earnings allocable to Class B Common Units		(0.7	)		(0.7	)		(2.7	)		(3.8	)
Net earnings allocable to Common Units	$	48.0		$	46.6		$	166.8		$	222.8
Weighted average Common Units outstanding		18.5			18.5			18.5			18.5
Net earnings per Common Unit	$	2.60		$	2.52		$	9.02		$	12.04