(Loss) Earnings Per Share (Narrative) (Details) - shares	Sep. 20, 2019	Sep. 17, 2019
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Shares of common stock previously held by Danaher (in shares)		100
Issuance of common stock (in shares)	30,800,000
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		127,900,000