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v3.19.3.a.u2

LEASES - Narrative (Details) | 12 Months Ended
--- | ---
Dec. 31, 2019
Minimum |
Lessee, Lease, Description [Line Items] |
Lease, remaining lease term | 1 year
Lessee, lease, renewal term | 1 year
Maximum |
Lessee, Lease, Description [Line Items] |
Lease, remaining lease term | 10 years
Lessee, lease, renewal term | 3 years

X
- Definition 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. + References No definition available. + Details
Name: | us-gaap_LesseeLeaseDescriptionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Lease, Remaining Lease Term + References No definition available. + Details
Name: | xray_LeaseRemainingLeaseTerm
Namespace Prefix: | xray_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Lessee, Lease, Renewal Term + References No definition available. + Details
Name: | xray_LesseeLeaseRenewalTerm
Namespace Prefix: | xray_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |