Net Earnings per Limited Partner Common Unit

3 Months Ended

Mar. 31, 2013

Net Earnings per Limited Partner Common Unit

Net Earnings per Limited Partner Common Unit

5. Net Earnings per Limited Partner Common Unit

        Net earnings per common unit is based on the weighted-average number of common units outstanding during the period. The following table provides a calculation for net earnings per common unit for the three months ended March 31, 2013 and 2012:

	Three months ended March 31,
	2013			2012
	(in millions, except per-unit amounts)
Basic earnings per common unit:
Net earnings	$	166.8		$	124.2
Net earnings allocable to General Partner		(73.0	)		(53.1	)
Net earnings allocable to Class B Common Units		(1.6	)		(1.2	)
Net earnings allocable to common units	$	92.2		$	69.9
Weighted average units outstanding		18.5			18.5
Net earnings per common unit	$	4.98		$	3.78

        There were no dilutive TNCLP units outstanding for the three months ended March 31, 2013 and 2012.