Future Maturities Of Debt (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012
Long Term Debt Maturities
2013	$ 18.4
2014	259.2
2015	304.1
2016	350.7
2017	525.0
2018 and thereafter	1,972.2
Total	$ 3,429.6

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.

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

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