CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Operating Activities
Net earnings	$ 102.9	$ 166.8
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	7.6	4.1
Unrealized loss (gain) on derivatives	2.9	(3.9)
Changes in operating assets and liabilities:
Accounts receivable	0.4	(0.1)
Inventories, net	0.5	0.7
Accounts payable and accrued expenses	3.7	(2.6)
Due to/from affiliates of the General Partner	(5.1)	3.8
Other assets and liabilities	(0.4)	1.3
Net cash provided by operating activities	112.5	170.1
Investing Activities
Additions to property, plant and equipment, net	(16.4)	(17.6)
Changes in demand deposits with affiliates of the General Partner		5.4
Net cash used in investing activities	(16.4)	(12.2)
Financing Activities
Partnership distributions paid	(61.1)	(16.7)
Other	(8.0)
Net cash used in financing activities	(69.1)	(16.7)
Increase in cash and cash equivalents	27.0	141.2
Cash and cash equivalents at beginning of period	86.9	149.4
Cash and cash equivalents at end of period	$ 113.9	$ 290.6