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Combined Aggregate Maturities of Short and Long-Term Loans (Detail) - USD ($) $ in Millions | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Debt Instrument [Line Items] |  |
Short Term And Long Term Debt Maturities Repayments Of Principal In Next Twelve Months | $ 16.7 | $ 140.2
Long-term loans, Maturity, 2 years | 811.0 | 21.6
Long-term loans, Maturity, 3 years |  | 628.0
Long-term loans, Maturity, 4 years |  | 129.8
Long-term loans, Maturity, 5 years and thereafter | 992.6 | 991.3
Long term and Short term debt | $ 1,820.3 | $ 1,910.9

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