Fair Value Measurements - Additional Information (Details) - USD ($) $ in Millions		3 Months Ended	8 Months Ended
	May 01, 2019	Jun. 30, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	May 01, 2017
Flawless Acquisition
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Business Acquisition Liabilities	$ 182.0	$ 182.0	$ 192.0
Increase (decrease) in estimate of contingent consideration liability	$ 10.0		10.0
Agro Bio Sciences Inc
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Business Acquisition Liabilities			14.2	$ 15.7	$ 17.8	$ 17.8
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
Increase (decrease) in estimate of contingent consideration liability		$ (7.3)
Designated as Hedging Instrument | Interest Rate Swap Lock
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Derivative, Notional Amount			$ 300.0	$ 250.0