(Loss) Earnings Per Share (Narrative) (Details) - $ / shares	Sep. 20, 2019	Sep. 17, 2019	Jul. 03, 2020	May 21, 2020
Share Information [Line Items]
Shares of common stock previously held by Danaher (in shares)		100
Issuance of common stock (in shares)	30,800,000
Common Stock
Share Information [Line Items]
Envista stock issued as consideration to Danaher as part of separation agreement (in shares)		127,900,000
2.375% Convertible Senior Notes | Convertible Debt
Share Information [Line Items]
Conversion price (in USD per share)			$ 23.79	$ 21.01