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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS
12 Months Ended
Dec. 31, 2023
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS
DexCom, Inc.
SCHEDULE IIVALUATION AND QUALIFYING ACCOUNTS
(In millions)
Twelve Months Ended
December 31,
Allowance for doubtful accounts202320222021
Beginning Balance
$7.3 $5.4 $7.2 
Provision for doubtful accounts2.0 2.4 (1.4)
Write-offs and adjustments— (0.5)(0.5)
Recoveries— — 0.1 
Ending Balance
$9.3 $7.3 $5.4