Quarterly report pursuant to Section 13 or 15(d)

LONG-TERM DEBT (Schedule of Long-term Debt) (Details)

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LONG-TERM DEBT (Schedule of Long-term Debt) (Details) - Senior Notes
$ in Millions
Apr. 30, 2016
USD ($)
5.25% Acquisition Notes, due 2020  
Debt Instrument [Line Items]  
Long-term debt $ 750.0
5.75% Acquisition Notes, due 2023  
Debt Instrument [Line Items]  
Long-term debt $ 2,500.0