Fair Value Measurements - Additional Information (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2019	Sep. 30, 2019	May 01, 2019	Mar. 08, 2018
Flawless Acquisition
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Business Acquisition Liabilities	$ 182.0		$ 182.0
Flawless Acquisition | Updated Sales Forecasts
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Business Acquisition Liabilities	199.0	$ 199.0
Increase (decrease) in estimate of contingent consideration liability	17.0
Passport Food Safety Solutions, Inc.
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Business Acquisition Liabilities	$ 7.3			$ 7.3