XML 41 R18.htm IDEA: XBRL DOCUMENT
v3.20.4

SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS | 12 Months Ended
--- | ---
Dec. 31, 2020
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS |
DexCom, Inc.
SCHEDULE II – VALUATION AND QUALIFYING ACCOUNTS
(In millions)
Allowance for doubtful accounts |
Balance at December 31, 2017 | $ | 11.4 |
Provision for doubtful accounts | 3.6 |
Write-offs and adjustments | (8.3) |
Recoveries | 0.5 |
Balance at December 31, 2018 | $ | 7.2 |
Allowance for doubtful accounts |
Balance at December 31, 2018 | $ | 7.2 |
Provision for doubtful accounts | 0.9 |
Write-offs and adjustments | (3.0) |
Recoveries | 0.7 |
Balance at December 31, 2019 | $ | 5.8 |
Allowance for doubtful accounts |
Balance at December 31, 2019 | $ | 5.8 |
Provision for doubtful accounts | 3.2 |
Write-offs and adjustments | (2.1) |
Recoveries | 0.3 |
Balance at December 31, 2020 | $ | 7.2 |

X
- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
Name: | srt_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock
Namespace Prefix: | srt_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | srt_ValuationAndQualifyingAccountsAbstract
Namespace Prefix: | srt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration