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LONG-TERM DEBT AND FINANCING ARRANGEMENTS (Financing arrangements - Interest rate swap) (Details) - USD ($) $ in Millions | 1 Months Ended |  |  |
--- | --- | --- | --- | ---
Nov. 30, 2014 | Dec. 31, 2017 | Jun. 30, 2017 | Dec. 31, 2016
Interest rate swap agreement |  |  |  |
Financing Arrangements |  |  |  |
Term of swap agreement | 5 years |  |  |
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 |  | $ 0.1 |  | $ 0.5
Interest rate swap agreement | Credit Facility |  |  |  |
Financing Arrangements |  |  |  |
Amount of borrowings covered by the interest rate swap |  | $ 50.0 |  | $ 50.0
Effective fixed interest rate on hedged borrowings (as a percent) |  | 3.35% |  | 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 |  | $ 0.4 |  |
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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- Definition Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Details
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