Aggregate dividends declared during the period for each share of common stock outstanding.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

-URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770

+ Details

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- Definition

Contractual rate at which a foreign currency can be purchased or sold.

+ References

No definition available.

+ Details

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- Definition

Date the derivative contract matures, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

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- Definition

Equity impact of common stock cash dividends declared by an entity during the period. This element includes paid and unpaid dividends declared during the period.

+ References

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- Definition

Aggregate notional amount of all foreign currency derivatives not designated as hedging instruments. Notional amount refers to the number of currency units specified in the foreign currency derivative contract.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 1A

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5579245-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Notional Amount

-URI http://asc.fasb.org/extlink&oid=6519104

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 1B

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5580258-113959

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Subsequent Events (Details) In Millions, except Per Share data, unless otherwise specified	12 Months Ended			0 Months Ended
	Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)	Dec. 31, 2010 USD ($)	Jan. 30, 2013 Subsequent Event [Member] Foreign Currency Forward Contract [Member] Not Designated as Hedging Instrument [Member] USD ($)	Jan. 30, 2013 Subsequent Event [Member] Foreign Currency Forward Contract [Member] Not Designated as Hedging Instrument [Member] MXN	Jan. 28, 2013 Subsequent Event [Member] Dividend Declared [Member] USD ($)
Subsequent Event [Line Items]
Cash dividends declared per common share	$ 0.780	$ 0	$ 0			$ 0.215
Aggregate amount of dividends on common stock	$ 85.9					$ 23.7
Notional amount of foreign currency forward contract				$ 65.0	853.0
Forward exchange rate of derivative (in Ps per USD)					13.12
Foreign currency forward contract, maturity date				Dec. 31, 2013	Dec. 31, 2013