DEBT (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Debt
Capital leases	$ 1.1us-gaap_CapitalLeaseObligations	$ 1.3us-gaap_CapitalLeaseObligations
Total Debt	371.2us-gaap_LongTermDebt	373.6us-gaap_LongTermDebt
Less current portion	(21.6)us-gaap_LongTermDebtCurrent	(21.6)us-gaap_LongTermDebtCurrent
Total Long-term debt	349.6	352.0
5.79%, payable through 2020
Debt
Total Debt	38.5	38.5
Interest rate (as a percent)	5.79%	5.79%
3.66%, payable through 2023
Debt
Total Debt	77.5	77.5
Interest rate (as a percent)	3.66%	3.66%
4.16%, payable through 2027
Debt
Total Debt	55.0	55.0
Interest rate (as a percent)	4.16%	4.16%
4.31%, payable through 2032
Debt
Total Debt	37.5	37.5
Interest rate (as a percent)	4.31%	4.31%
4.35%, payable through 2044
Debt
Total Debt	100.0	100.0
Interest rate (as a percent)	4.35%	4.35%
5.34%, payable through 2028
Debt
Total Debt	29.7	30.8
Interest rate (as a percent)	5.34%	5.34%
5.27%, payable through 2029
Debt
Total Debt	$ 31.9	$ 33.0
Interest rate (as a percent)	5.27%	5.27%

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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- Definition

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

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-Publisher SEC

-Name Regulation S-X (SX)

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

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- Definition

Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

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-Publisher FASB

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Amount of long-term debt, after unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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