Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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Increase for accrued, but unpaid interest on the debt instrument for the period.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Weighted average interest rate of debt outstanding.

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Gross amount of debt extinguished.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.

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The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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DEBT (Narrative) (Detail) - USD ($) $ in Millions		1 Months Ended		6 Months Ended		12 Months Ended
DEBT (Narrative) (Detail) - USD ($) $ in Millions	Nov. 12, 2014	Dec. 31, 2014	Nov. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Debt Instrument [Line Items]
Proceeds from long-term debt				$ 0.0	$ 0.3
Loss on early extinguishment of debt						$ (22.7)
Fair value of debt		$ 761.5		$ 735.2		761.5
Debt, weighted average interest rate				4.36%	5.33%
Short-term debt		$ 0.0		$ 0.0		$ 0.0
3.95% notes due May 1, 2025
Debt Instrument [Line Items]
Proceeds from long-term debt	$ 250.0
Debt instrument, interest rate, stated percentage				3.95%
Proceeds from debt, net of issuance costs	$ 248.3
6.0% notes due October 1, 2015
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage		6.00%				6.00%
Carrying value of notes repurchased		$ 124.0	$ 17.8
Price of notes repurchased		129.6	18.7
Interest payable		1.3	$ 0.1
8.95% notes due July 1, 2017
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage				8.95%
Carrying value of notes repurchased		82.0
Price of notes repurchased		97.8
Interest payable		$ 3.1
Five-year revolving credit line due June 2019
Debt Instrument [Line Items]
Current borrowing of unsecured five-year revolving credit facility				$ 0.0
Remaining borrowing of unsecured five-year revolving credit facility				$ 400.0