Consolidated Statements Of Cash Flows (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Operating Activities
Net earnings	$ 502.4	$ 560.8	$ 508.0
Adjustments to reconcile net earnings to net cash flows from operating activities:
Depreciation and amortization	19.3	20.9	25.6
Non-cash (gain) loss on derivatives	(8.6)	(11.2)	11.9
Gain on sale of property, plant and equipment	(0.4)
Changes in operating assets and liabilities:
Accounts receivable	(0.4)		32.8
Inventories, net	(0.2)	(1.8)	10.0
Accounts payable and accrued expenses	(0.7)	6.0	(5.9)
Due to/from affiliates of the General Partner	(25.3)
Customer advances			(61.2)
Other assets and liabilities	2.8	(2.2)
Net cash from operating activities	488.9	572.5	521.2
Investing Activities
Additions to property, plant and equipment and plant turnaround expenditures	(99.6)	(47.8)	(15.0)
Changes in demand deposit with General Partner affiliate	5.4	3.2	(2.5)
Net cash used in investing activities	(94.2)	(44.6)	(17.5)
Financing Activities
Partnership distributions paid	(465.2)	(558.3)	(448.7)
Other	8.0
Net cash used in financing activities	(457.2)	(558.3)	(448.7)
(Decrease) increase in cash and cash equivalents	(62.5)	(30.4)	55.0
Cash and cash equivalents at beginning of year	149.4	179.8	124.8
Cash and cash equivalents at end of year	$ 86.9	$ 149.4	$ 179.8