REVENUE (Deferred Revenue) (Details) - USD ($) $ in Millions |
9 Months Ended | |
|---|---|---|
Sep. 30, 2018 |
Dec. 31, 2017 |
|
| Deferred Revenue Arrangement [Line Items] | Ìý | Ìý |
| Deferred revenue, current | $ 16.1 | $ 23.8 |
| Deferred revenue, noncurrent | 42.8 | $ 51.4 |
| Other Current Liabilities [Member] | Ìý | Ìý |
| Deferred Revenue Arrangement [Line Items] | Ìý | Ìý |
| Deferred Revenue, Period Increase (Decrease) | (7.7) | Ìý |
| Other Noncurrent Liabilities [Member] | Ìý | Ìý |
| Deferred Revenue Arrangement [Line Items] | Ìý | Ìý |
| Deferred Revenue, Period Increase (Decrease) | $ (8.6) | Ìý |
| X | ||||||||||
- 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. No definition available.
|
| X | ||||||||||
- Definition The carrying amount of consideration received or receivable as of the balance sheet date on potential earnings that were not recognized as revenue in conformity with GAAP, and which are expected to be recognized as such within one year or the normal operating cycle, if longer, including sales, license fees, and royalties, but excluding interest income. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
|
| X | ||||||||||
- Definition The noncurrent portion of deferred revenue amount as of balance sheet date. Deferred revenue is a liability related to a revenue producing activity for which revenue has not yet been recognized, and is not expected to be recognized in the next twelve months. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
|
| X | ||||||||||
- Definition Amount of increase (decrease) in deferred revenue. No definition available.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|