LONG-TERM DEBT - Interest rate swap (Details) - Interest rate swap $ in Millions	May 18, 2020 USD ($)
Derivative [Line Items]
LIBOR borrowings fixed interest rate	0.442
LIBOR borrowings hedged	$ 200.0

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.

Name:	us-gaap_DerivativeLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration