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LONG-TERM DEBT AND FINANCING ARRANGEMENTS (Financing arrangements - Interest rate swap) (Details) - USD ($) $ in Millions | Sep. 30, 2017 | Dec. 31, 2016
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Interest rate swap agreement |  |
Financing Arrangements |  |
Notional amount | $ 50.0 |
Fixed interest rate payments (as a percent) | 1.85% |
Interest rate swap agreement | Other long-term liabilities |  |
Financing Arrangements |  |
Fair value, liability | $ 0.2 | $ 0.5
Interest rate swap agreement | Credit Facility |  |
Financing Arrangements |  |
Amount of borrowings covered by the interest rate swap | $ 50.0 |
Effective fixed interest rate on hedged borrowings (as a percent) | 3.35% |
Forward-starting interest rate swap agreement |  |
Financing Arrangements |  |
Notional amount | $ 50.0 |
Fixed interest rate payments (as a percent) | 1.99% |
Forward-starting interest rate swap agreement | Other long-term assets |  |
Financing Arrangements |  |
Fair value, asset | $ 0.1 |
Forward-starting interest rate swap agreement | Credit Facility |  |
Financing Arrangements |  |
Amount of borrowings covered by the interest rate swap | $ 50.0 |
Effective fixed interest rate on hedged borrowings (as a percent) | 3.49% |

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- Definition The fixed interest rate to which the hedged balance of the variable rate funds borrowed is effectively converted by the derivative. + References No definition available. + Details
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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition Fair value of all asset derivatives designated as cash flow hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624163-113959 + Details
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- Definition Fair value of all liability derivatives designated as cash flow hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624163-113959 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of the hedged item as of the balance sheet date related to the derivative. For example, the hedged balance on a debt instrument. + References No definition available. + Details
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- Definition Fixed interest rate related to the interest rate derivative. + References No definition available. + Details
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- Details
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