Long-Term Debt (Schedule Of Long-Term-Debt) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014	Dec. 15, 2009
Debt Instrument [Line Items]
Total debt	$ 1,078.6	$ 1,325.5
Less current maturities	154.9	391.6
Long-term debt	923.7	933.9
North America [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Total debt	127.6	136.8
North America [Member] \| 5.75% Senior Notes due 2022 [Member]
Debt Instrument [Line Items]
Face Value	$ 600.0	$ 600.0
Interest rate	5.75%	5.75%
Maturity Date	October 2022	October 2022
North America [Member] \| Subordinated Convertible Notes Due 2029 [Member]
Debt Instrument [Line Items]
Face Value	$ 429.5	$ 429.5	$ 162.9
Debt discount	(257.8)	(259.7)	$ (266.6)
Total debt	$ 171.7	$ 169.8
Maturity Date	November 2029	November 2029
North America [Member] \| Senior Floating Rate Notes [Member]
Debt Instrument [Line Items]
Face Value	$ 0.0	$ 125.0
Interest rate	0.00%	2.60%
North America [Member] \| Other Debt [Member]
Debt Instrument [Line Items]
Face Value	$ 9.2	$ 9.0
Europe [Member] \| Credit Facilities [Member]
Debt Instrument [Line Items]
Total debt	8.7	0.0
Europe [Member] \| Other Debt [Member]
Debt Instrument [Line Items]
Total debt	23.4	10.5
Latin America [Member] \| Credit Facilities [Member]
Debt Instrument [Line Items]
Total debt	$ 113.8	$ 238.6
Maturity Date	Various	Various
Africa/Asia Pacific [Member] \| Credit Facilities [Member]
Debt Instrument [Line Items]
Total debt	$ 24.2	$ 35.8
Maturity Date	Various	Various

Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 20
-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
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Contractual interest rate for funds borrowed, under the debt agreement.

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Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities.

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The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.16)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-Topic 210
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-Number 210
-Section 02
-Paragraph 20, 22
-Article 5

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