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LONG-TERM DEBT AND FINANCING ARRANGEMENTS (Interest rate swaps) (Details) - USD ($) $ in Millions | Nov. 30, 2014 | Jun. 30, 2022 | Sep. 30, 2020 | May 04, 2020 | Jan. 02, 2020 | Dec. 31, 2019
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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) |  |  | 3.12% |  |  | 2.98%
Interest rate swap agreement, maturing on June 30, 2022 |  |  |  |  |  |
Financing Arrangements |  |  |  |  |  |
Notional amount |  |  |  |  | $ 50.0 |
Fixed interest rate payments (as a percent) |  |  |  |  | 1.99% |
Interest rate swap agreement, maturing on June 30, 2022 | Other long-term liabilities |  |  |  |  |  |
Financing Arrangements |  |  |  |  |  |
Fair value of interest rate swap, liability |  |  | $ 1.7 |  |  | $ 0.6
Interest rate swap agreement, maturing on June 30, 2022 | 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) |  |  | 3.12% |  |  |
Interest rate swap, maturing on January 2, 2020 |  |  |  |  |  |
Financing Arrangements |  |  |  |  |  |
Term of swap agreement | 5 years |  |  |  |  |
Notional amount | $ 50.0 |  |  |  |  |
Interest rate swap, maturing on January 2, 2020 | Other long-term liabilities | Maximum |  |  |  |  |  |
Financing Arrangements |  |  |  |  |  |
Fair value of interest rate swap, liability |  |  |  |  |  | $ 0.1
Amended interest rate swap agreement, maturing on October 1, 2024 |  |  |  |  |  |
Financing Arrangements |  |  |  |  |  |
Notional amount |  |  |  | $ 50.0 |  |
Fixed interest rate payments (as a percent) |  |  |  | 0.43% |  |
Amended interest rate swap agreement, maturing on October 1, 2024 | Forecast |  |  |  |  |  |
Financing Arrangements |  |  |  |  |  |
Effective fixed interest rate on hedged borrowings (as a percent) |  | 1.56% |  |  |  |
Amended interest rate swap agreement, maturing on October 1, 2024 | Other long-term liabilities |  |  |  |  |  |
Financing Arrangements |  |  |  |  |  |
Fair value of interest rate swap, liability |  |  | $ 0.3 |  |  |
Amended interest rate swap agreement, maturing on October 1, 2024 | Credit Facility | Forecast |  |  |  |  |  |
Financing Arrangements |  |  |  |  |  |
Amount of borrowings covered by the interest rate swap |  | $ 50.0 |  |  |  |

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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 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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