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DERIVATIVES AND HEDGING (Details) | 1 Months Ended | 3 Months Ended |
--- | --- | --- | ---
Feb. 29, 2020 USD ($) derivative_instrument | Mar. 31, 2021 USD ($) | Mar. 31, 2020 USD ($) | Dec. 31, 2020 USD ($)
Derivative [Line Items] |  |  |  |  |
Number of derivative instruments held | derivative_instrument |  | 2 |  |  |
Gain on foreign currency translation adjustments recognized in AOCI | [1] |  | $ (46,300,000) | $ (218,700,000) |
Unrealized gain on foreign currency adjustments |  |  | 23,100,000 | 9,200,000 |
Euro Cross Currency Swap 1 |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional amount |  | $ 500,000,000.0 |  |  |
Euro Cross Currency Swap 2 |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional amount |  | 244,000,000.0 |  |  |
Cross Currency Swap Contract |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional amount |  | 400,000,000.0 |  |  |
Gain on foreign currency translation adjustments recognized in AOCI |  | $ 11,800,000 |  |  |
Cross Currency Swap Contract | Other assets |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative asset |  |  | 0 | 2,600,000 | $ 0
Cross Currency Swap Contract | Other accruals |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative liability |  |  | 20,000,000.0 | 0 | 31,000,000.0
Cross Currency Swap Contract | Other long-term liabilities |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative liability |  |  | $ 35,200,000 | $ 4,700,000 | $ 54,800,000
[1] | The three months ended March 31, 2021 includes unrealized gains of $23.1 million, net of taxes of $(7.5) million, related to net investment hedges. The three months ended March 31, 2020 includes unrealized gains of $9.2 million, net of taxes of $(2.9) million, related to net investment hedges. See Note 12 for additional information.

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- Definition Amount of gain (loss) from the increase (decrease) in fair value of foreign currency derivatives and nonderivative instruments designated as fair value hedging instruments which were recognized in earnings, net of offsets by the gain (loss) on the hedged item to the extent that the fair value hedge was determined to be effective. + References No definition available. + Details
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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13433-108611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
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