Condensed Consolidating Financial Statements (Details 4) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Operating Activities:
Net earnings	$ 431.7	$ 332.6
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation, depletion and amortization	103.1	118.5
Deferred income taxes	(6.3)	16.6
Stock compensation expense	3.2	2.4
Excess tax benefit from stock-based compensation	(9.4)	(6.0)
Unrealized loss (gain) on derivatives	55.9	(0.7)
Loss (gain) on disposal of property, plant and equipment and non-core assets	3.9	(32.7)
Undistributed (earnings) loss of affiliates - net of taxes	(1.8)	(24.9)
Changes in (net of effects of acquisition):
Accounts receivable - net	(191.7)	(18.3)
Margin deposits	0.8	2.7
Inventories - net	43.5	(123.4)
Accrued income taxes	20.8	71.2
Accounts payable and accrued expenses	(9.3)	14.2
Customer advances	142.5	315.7
Other - net	16.3	3.3
Net cash provided by operating activities	603.2	671.2
Investing Activities:
Additions to property, plant and equipment	(64.3)	(54.9)
Proceeds from the sale of property, plant and equipment and non-core assets	3.9	39.2
Sales and maturities of short-term and auction rate securities		0.5
Deposits to asset retirement escrow account	(2.2)
Other - net		31.3
Net cash (used in) provided by investing activities	(62.6)	16.1
Financing Activities:
Payments of long-term debt		(346.0)
Dividends paid on common stock	(26.2)	(7.1)
Distributions to noncontrolling interests	(20.9)	(6.3)
Issuances of common stock under employee stock plans	3.5	2.9
Excess tax benefit from stock-based compensation	9.4	6.0
Net cash used in financing activities	(34.2)	(350.5)
Effect of exchange rate changes on cash and cash equivalents	(0.1)	(0.4)
Increase in cash and cash equivalents	506.3	336.4
Cash and cash equivalents at beginning of period	1,207.0	797.7
Cash and cash equivalents at end of period	1,713.3	1,134.1
Parent
Operating Activities:
Net earnings	368.4	282.0
Adjustments to reconcile net earnings to net cash provided by operating activities:
Deferred income taxes		2.2
Stock compensation expense	2.6	2.4
Excess tax benefit from stock-based compensation	(9.4)	(6.0)
Undistributed (earnings) loss of affiliates - net of taxes	(368.8)	(282.4)
Due to / from affiliates - net	(5.9)	(7.1)
Changes in (net of effects of acquisition):
Accounts payable and accrued expenses	0.2
Net cash provided by operating activities	(12.9)	(8.9)
Financing Activities:
Dividends paid on common stock	(26.2)	(7.1)
Dividends to / from affiliates	26.2	7.1
Issuances of common stock under employee stock plans	3.5	2.9
Excess tax benefit from stock-based compensation	9.4	6.0
Net cash used in financing activities	12.9	8.9
CFI
Operating Activities:
Net earnings	368.8	282.4
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation, depletion and amortization	29.4	49.5
Deferred income taxes	(3.7)	9.0
Unrealized loss (gain) on derivatives	44.4	1.1
Loss (gain) on disposal of property, plant and equipment and non-core assets	0.9	(32.7)
Undistributed (earnings) loss of affiliates - net of taxes	(242.7)	(205.0)
Due to / from affiliates - net	6.2	7.4
Changes in (net of effects of acquisition):
Accounts receivable - net	(24.9)	228.9
Margin deposits	0.8	2.7
Inventories - net	32.5	(99.2)
Accrued income taxes	(48.6)	15.1
Accounts payable and accrued expenses	8.4	33.2
Customer advances	106.2	218.4
Other - net	3.9	(2.2)
Net cash provided by operating activities	281.6	508.6
Investing Activities:
Additions to property, plant and equipment	(42.3)	(25.8)
Proceeds from the sale of property, plant and equipment and non-core assets	3.9	39.2
Sales and maturities of short-term and auction rate securities		0.5
Deposits to asset retirement escrow account	(2.2)
Net cash (used in) provided by investing activities	(40.6)	13.9
Financing Activities:
Payments of long-term debt		(346.0)
Dividends to / from affiliates	(26.2)	(7.1)
Net cash used in financing activities	(26.2)	(353.1)
Effect of exchange rate changes on cash and cash equivalents	(7.3)	(5.8)
Increase in cash and cash equivalents	207.5	163.6
Cash and cash equivalents at beginning of period	98.7	136.2
Cash and cash equivalents at end of period	306.2	299.8
Guarantor Subsidiaries
Operating Activities:
Net earnings	166.4	162.2
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation, depletion and amortization	38.3	33.6
Deferred income taxes	(1.4)	10.2
Unrealized loss (gain) on derivatives		(0.4)
Loss (gain) on disposal of property, plant and equipment and non-core assets	3.0
Undistributed (earnings) loss of affiliates - net of taxes	(135.8)	(144.1)
Due to / from affiliates - net	130.9	55.9
Changes in (net of effects of acquisition):
Accounts receivable - net	(41.6)	(15.4)
Inventories - net	15.5	(24.7)
Accrued income taxes	82.3	49.5
Accounts payable and accrued expenses	(7.2)	(177.0)
Customer advances	22.2	116.8
Other - net	33.6	(3.6)
Net cash provided by operating activities	306.2	63.0
Investing Activities:
Additions to property, plant and equipment	(11.8)	(24.0)
Net cash (used in) provided by investing activities	(11.8)	(24.0)
Financing Activities:
Distributions to noncontrolling interests	(20.9)	(6.3)
Net cash used in financing activities	(20.9)	(6.3)
Increase in cash and cash equivalents	273.5	32.7
Cash and cash equivalents at beginning of period	300.2	164.0
Cash and cash equivalents at end of period	573.7	196.7
Non-Guarantor Subsidiaries
Operating Activities:
Net earnings	268.9	236.3
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation, depletion and amortization	35.4	35.4
Deferred income taxes	(1.2)	(4.8)
Stock compensation expense	0.6
Unrealized loss (gain) on derivatives	11.5	(1.4)
Undistributed (earnings) loss of affiliates - net of taxes	4.7	(23.7)
Due to / from affiliates - net	(131.2)	(56.2)
Changes in (net of effects of acquisition):
Accounts receivable - net	(123.7)	(66.5)
Inventories - net	(4.5)	0.5
Accrued income taxes	(12.9)	6.6
Accounts payable and accrued expenses	(12.2)	(7.3)
Customer advances	14.1	(19.5)
Other - net	(21.2)	9.1
Net cash provided by operating activities	28.3	108.5
Investing Activities:
Additions to property, plant and equipment	(10.2)	(5.1)
Other - net		31.3
Net cash (used in) provided by investing activities	(10.2)	26.2
Financing Activities:
Effect of exchange rate changes on cash and cash equivalents	7.2	5.4
Increase in cash and cash equivalents	25.3	140.1
Cash and cash equivalents at beginning of period	808.1	497.5
Cash and cash equivalents at end of period	833.4	637.6
Elimination
Operating Activities:
Net earnings	(740.8)	(630.3)
Adjustments to reconcile net earnings to net cash provided by operating activities:
Undistributed (earnings) loss of affiliates - net of taxes	740.8	630.3
Changes in (net of effects of acquisition):
Accounts receivable - net	(1.5)	(165.3)
Accounts payable and accrued expenses	$ 1.5	$ 165.3