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FINANCIAL STATEMENT PRESENTATION - Restructuring (Details) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2019 USD ($)	Jun. 30, 2019 USD ($) employee
Restructuring
Number of executives resigned | employee		4
Severance Costs | $	$ 0.7	$ 11.9

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Number of executives resigned.

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Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
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-Name Accounting Standards Codification
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-Name Accounting Standards Codification
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