Commitments, Contingencies and Guarantees - Additional Information (Details)					3 Months Ended	6 Months Ended	8 Months Ended	12 Months Ended
	May 01, 2019 USD ($)	Mar. 08, 2018 USD ($)	May 01, 2017 USD ($)	Jan. 17, 2017 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2019 USD ($) T	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Commitments And Contingencies Disclosure [Line Items]
Rent expense									$ 24,500,000	$ 24,500,000
Interest expense associated with financing lease									3,800,000
Depreciation expense associated with financing lease									2,500,000
Annual purchase commitment, in tons | T								240,000
Commitments								$ 257,600,000
Outstanding guarantees and letters of credit							$ 4,400,000	4,400,000
Estimated minimum compensatory punitive damages								20,000,000.0
Agro Bio Sciences Inc
Commitments And Contingencies Disclosure [Line Items]
Payment year of achieving certain operating performance				2019
Payment to be made if certain operating performance is achieved			$ 17,800,000				14,200,000	14,200,000	15,700,000	$ 17,800,000
Passport Food Safety Solutions, Inc.
Commitments And Contingencies Disclosure [Line Items]
Payment year of achieving certain operating performance						2020
Payment to be made if certain operating performance is achieved					$ 7,300,000	$ 7,300,000			$ 7,300,000
Increase (decrease) in estimate of contingent consideration liability					(7,300,000)
Flawless Acquisition
Commitments And Contingencies Disclosure [Line Items]
Payment year of achieving certain operating performance						2021
Payment to be made if certain operating performance is achieved	$ 182,000,000.0				182,000,000.0	$ 182,000,000.0	192,000,000.0	192,000,000.0
Increase (decrease) in estimate of contingent consideration liability	10,000,000.0						10,000,000.0
Maximum | Agro Bio Sciences Inc
Commitments And Contingencies Disclosure [Line Items]
Additional earn-out payment			$ 25,000,000.0	$ 25,000,000.0
Maximum | Passport Food Safety Solutions, Inc.
Commitments And Contingencies Disclosure [Line Items]
Additional earn-out payment		$ 25,000,000.0				25,000,000.0
Maximum | Flawless Acquisition
Commitments And Contingencies Disclosure [Line Items]
Additional earn-out payment	$ 425,000,000.0					425,000,000.0
Updated Sales Forecasts | Agro Bio Sciences Inc
Commitments And Contingencies Disclosure [Line Items]
Payment to be made if certain operating performance is achieved							$ 14,200,000	$ 14,200,000
Updated Sales Forecasts | Passport Food Safety Solutions, Inc.
Commitments And Contingencies Disclosure [Line Items]
Reversed contingent liability					7,300,000	7,300,000
Updated Sales Forecasts | Flawless Acquisition
Commitments And Contingencies Disclosure [Line Items]
Payment to be made if certain operating performance is achieved					$ 192,000,000.0	192,000,000.0
Increase (decrease) in estimate of contingent consideration liability						$ 10,000,000.0