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Combined Aggregate Maturities of Short and Long-Terms Loans (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Debt Instrument [Line Items]
Short Term And Long Term Debt Maturities Repayments Of Principal In Next Twelve Months	$ 40.0	$ 547.0
Long term and Short term debt maturities, year two	532.4	48.0
Long term and Short term debt maturities, year three	750.0	75.0
Long term and Short term debt maturities, year four	50.0	30.0
Long term and Short term debt maturities, thereafter	1,000.0	1,207.7
Long term and Short term debt	$ 2,372.4	$ 1,907.7

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- Definition

Long term Debt, Maturities, Repayments of Principal in Year Five and Thereafter

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- Definition

Short Term And Long Term Debt Maturities Repayments Of Principal In Next Twelve Months

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- Definition

The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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- Definition

Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year.

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year.

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year.

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