XML 34 R52.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2

SIGNIFICANT ACCOUNTING POLICIES - Description of Business (Details)	12 Months Ended
	Dec. 31, 2019 country
Accounting Policies [Abstract]
Company years in innovation and service	133 years
Number of countries in which entity operates	120

X

- References

No definition available.

+ Details

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

X

- Definition

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

+ References

No definition available.

+ Details

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

X

- Definition

Entity, Years In Business

+ References

No definition available.

+ Details

Name:	xray_EntityYearsInBusiness
Namespace Prefix:	xray_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration