SIGNIFICANT ACCOUNTING POLICIES - Description of Business (Details)	12 Months Ended
Dec. 31, 2018 Country
Accounting Policies [Abstract]
Company years in innovation and service	130 years
Number of countries in which entity operates	120

The number of countries in which the entity operates as of balance sheet date.

No definition available.

Name:	us-gaap_NumberOfCountriesInWhichEntityOperates
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant