Earnings Per Share - Narrative (Details) - $ / shares	Sep. 20, 2019	Sep. 17, 2019	Dec. 31, 2020	May 21, 2020
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Conversion price (in USD per share)			$ 21.01
Shares of common stock previously held by Danaher (in shares)		100
Issuance of common stock (in shares)	30,800,000
2.375% convertible senior notes | Convertible Debt
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Conversion price (in USD per share)			$ 23.79	$ 21.01
Common Stock
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Envista stock issued as consideration to Danaher as part of separation agreement (in shares)		127,900,000