Guarantor Financial Information (Condensed Consolidating Balance Sheet) (Details) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 199.7	$ 290.5	$ 227.4	$ 317.5
Restricted Cash and Cash Equivalents		0.0
Accounts and notes receivable, net	303.4	230.4
Inventories	204.1	169.3
Accounts and notes receivable affiliates	0.0	0.0
Total current assets	735.1	1,001.7
Investment in affiliates	0.0	0.0
Property, plant and equipment, net	224.8	207.2
Intangible assets, net	1,086.5	609.8
Other noncurrent assets	238.9	197.2
Total assets	2,285.3	2,015.9
Current liabilities:
Accounts payable and accruals	(381.5)	(379.4)
Short-term borrowings and current maturities of long-term debt	65.6	49.6
Liabilities of Disposal Group, Including Discontinued Operation, Current	0.0	103.5
Accounts and note payable affiliates	0.0	0.0
Total current liabilities	447.1	532.5
Long-term debt	1,479.8	1,215.0
Note payable affiliate	0.0	0.0
Other noncurrent liabilities	328.7	249.9
Total liabilities	2,255.6	1,997.4
Equity:
Total equity	29.7	18.5	(35.0)	1,385.7
Total liabilities and equity	2,285.3	2,015.9
Costs In Excess Of Billings and Other Assets, Current	27.9	55.6
Assets Held-for-sale, Current	0.0	255.9
Due from Affiliate, Noncurrent	0.0	0.0
Equity Method Investment, Difference Between Carrying Amount and Underlying Equity		0.0
Stockholders' Equity Attributable to Parent	25.6	(4.8)
Stockholders' Equity Attributable to Noncontrolling Interest	4.1	23.3
Parent Company [Member]
Current assets:
Cash and cash equivalents	3.3	$ 27.1	1.4	0.0
Restricted Cash and Cash Equivalents
Accounts and notes receivable, net	0.0	$ 0.0
Inventories	0.0	0.0
Accounts and notes receivable affiliates	248.6	0.1
Total current assets	252.4	27.6
Investment in affiliates	986.2	917.4
Property, plant and equipment, net	0.0	0.0
Intangible assets, net	0.0	0.0
Other noncurrent assets	22.2	16.3
Total assets	1,260.8	961.3
Current liabilities:
Accounts payable and accruals	(8.2)	(2.8)
Short-term borrowings and current maturities of long-term debt	46.9	48.8
Liabilities of Disposal Group, Including Discontinued Operation, Current	0.0	0.0
Accounts and note payable affiliates	0.3	0.4
Total current liabilities	55.4	52.0
Long-term debt	1,179.8	914.1
Note payable affiliate	0.0	0.0
Other noncurrent liabilities	0.0	0.0
Total liabilities	1,235.2	966.1
Equity:
Total equity	25.6	(4.8)
Total liabilities and equity	1,260.8	961.3
Costs In Excess Of Billings and Other Assets, Current	0.5	0.4
Assets Held-for-sale, Current	0.0	0.0
Due from Affiliate, Noncurrent	0.0	0.0
Equity Method Investment, Difference Between Carrying Amount and Underlying Equity		0.0
Stockholders' Equity Attributable to Parent	25.6	(4.8)
Stockholders' Equity Attributable to Noncontrolling Interest	0.0	0.0
Other Subsidiaries [Member]
Current assets:
Cash and cash equivalents	122.3	$ 136.6	147.2	315.8
Restricted Cash and Cash Equivalents
Accounts and notes receivable, net	181.8	$ 114.7
Inventories	97.4	68.2
Accounts and notes receivable affiliates	324.5	259.4
Total current assets	698.8	827.8
Investment in affiliates	4,660.2	4,774.7
Property, plant and equipment, net	77.2	59.9
Intangible assets, net	905.1	448.7
Other noncurrent assets	122.2	108.0
Total assets	8,189.8	7,982.0
Current liabilities:
Accounts payable and accruals	(12.3)	(55.5)
Short-term borrowings and current maturities of long-term debt	18.6	0.7
Liabilities of Disposal Group, Including Discontinued Operation, Current	0.0	103.5
Accounts and note payable affiliates	611.2	184.6
Total current liabilities	642.1	233.3
Long-term debt	0.0	0.8
Note payable affiliate	3,669.6	3,907.6
Other noncurrent liabilities	202.8	37.9
Total liabilities	4,514.5	4,179.6
Equity:
Total equity	3,675.3	3,802.4
Total liabilities and equity	8,189.8	7,982.0
Costs In Excess Of Billings and Other Assets, Current	(27.2)	(7.0)
Assets Held-for-sale, Current	0.0	255.9
Due from Affiliate, Noncurrent	1,726.3	1,762.9
Equity Method Investment, Difference Between Carrying Amount and Underlying Equity		0.0
Stockholders' Equity Attributable to Parent	3,671.2	3,779.1
Stockholders' Equity Attributable to Noncontrolling Interest	4.1	23.3
Consolidating Adjustments [Member]
Current assets:
Cash and cash equivalents	0.0	$ 0.0	0.0	0.0
Restricted Cash and Cash Equivalents
Accounts and notes receivable, net	0.0	$ 0.0
Inventories	0.0	0.0
Accounts and notes receivable affiliates	(1,305.4)	(531.1)
Total current assets	(1,305.4)	(531.1)
Investment in affiliates	(8,840.7)	(8,119.4)
Property, plant and equipment, net	0.0	0.0
Intangible assets, net	0.0	0.0
Other noncurrent assets	0.0	0.0
Total assets	(16,566.5)	(15,336.5)
Current liabilities:
Accounts payable and accruals	0.0	0.0
Short-term borrowings and current maturities of long-term debt	0.0	0.0
Liabilities of Disposal Group, Including Discontinued Operation, Current	0.0	0.0
Accounts and note payable affiliates	(1,305.4)	(531.1)
Total current liabilities	(1,305.4)	(531.1)
Long-term debt	0.0	0.0
Note payable affiliate	(6,420.4)	(6,686.0)
Other noncurrent liabilities	0.0	0.0
Total liabilities	(7,725.8)	(7,217.1)
Equity:
Total equity	(8,840.7)	(8,119.4)
Total liabilities and equity	(16,566.5)	(15,336.5)
Costs In Excess Of Billings and Other Assets, Current	0.0	0.0
Assets Held-for-sale, Current	0.0	0.0
Due from Affiliate, Noncurrent	(6,420.4)	(6,686.0)
Equity Method Investment, Difference Between Carrying Amount and Underlying Equity		0.0
Stockholders' Equity Attributable to Parent	(8,840.7)	(8,119.4)
Stockholders' Equity Attributable to Noncontrolling Interest	0.0	0.0
Subsidiary Issuer [Member]
Current assets:
Cash and cash equivalents	0.3	$ 0.5	0.0	0.0
Restricted Cash and Cash Equivalents
Accounts and notes receivable, net	0.0	$ 0.0
Inventories	0.0	0.0
Accounts and notes receivable affiliates	356.4	15.2
Total current assets	401.4	62.3
Investment in affiliates	3,001.4	2,336.7
Property, plant and equipment, net	0.0	0.0
Intangible assets, net	0.0	0.0
Other noncurrent assets	12.4	10.6
Total assets	4,559.4	3,601.5
Current liabilities:
Accounts payable and accruals	(4.3)	(51.3)
Short-term borrowings and current maturities of long-term debt	0.0	0.0
Liabilities of Disposal Group, Including Discontinued Operation, Current	0.0	0.0
Accounts and note payable affiliates	57.5	101.1
Total current liabilities	61.8	152.4
Long-term debt	300.0	300.0
Note payable affiliate	2,750.8	2,778.4
Other noncurrent liabilities	1.2	5.8
Total liabilities	3,113.8	3,236.6
Equity:
Total equity	1,445.6	364.9
Total liabilities and equity	4,559.4	3,601.5
Costs In Excess Of Billings and Other Assets, Current	44.7	46.6
Assets Held-for-sale, Current	0.0	0.0
Due from Affiliate, Noncurrent	1,144.2	1,191.9
Equity Method Investment, Difference Between Carrying Amount and Underlying Equity		0.0
Stockholders' Equity Attributable to Parent	1,445.6	364.9
Stockholders' Equity Attributable to Noncontrolling Interest	0.0	0.0
Guarantor Subsidiaries [Member]
Current assets:
Cash and cash equivalents	73.8	$ 126.3	$ 78.8	$ 1.7
Restricted Cash and Cash Equivalents
Accounts and notes receivable, net	121.6	$ 115.7
Inventories	106.7	101.1
Accounts and notes receivable affiliates	375.9	256.4
Total current assets	687.9	615.1
Investment in affiliates	192.9	90.6
Property, plant and equipment, net	147.6	147.3
Intangible assets, net	181.4	161.1
Other noncurrent assets	82.1	62.3
Total assets	4,841.8	4,807.6
Current liabilities:
Accounts payable and accruals	(356.7)	(380.8)
Short-term borrowings and current maturities of long-term debt	0.1	0.1
Liabilities of Disposal Group, Including Discontinued Operation, Current	0.0	0.0
Accounts and note payable affiliates	636.4	245.0
Total current liabilities	993.2	625.9
Long-term debt	0.0	0.1
Note payable affiliate	0.0	0.0
Other noncurrent liabilities	124.7	206.2
Total liabilities	1,117.9	832.2
Equity:
Total equity	3,723.9	3,975.4
Total liabilities and equity	4,841.8	4,807.6
Costs In Excess Of Billings and Other Assets, Current	9.9	15.6
Assets Held-for-sale, Current	0.0	0.0
Due from Affiliate, Noncurrent	3,549.9	3,731.2
Equity Method Investment, Difference Between Carrying Amount and Underlying Equity		0.0
Stockholders' Equity Attributable to Parent	3,723.9	3,975.4
Stockholders' Equity Attributable to Noncontrolling Interest	$ 0.0	$ 0.0