Business Combinations - Narrative (Details) $ / shares in Units, $ in Thousands, £ in Millions, $ in Millions, $ in Millions													3 Months Ended	9 Months Ended		12 Months Ended
	Sep. 01, 2021 USD ($)	Aug. 02, 2021 USD ($)	Jun. 01, 2021 USD ($)	May 28, 2021 USD ($)	May 28, 2021 GBP (£)	May 05, 2021 USD ($)	Mar. 01, 2021 USD ($)	Mar. 01, 2021 CAD ($)	Dec. 30, 2020 USD ($) shares	Nov. 02, 2020 USD ($)	Aug. 31, 2020 USD ($)	Aug. 31, 2020 AUD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Dec. 31, 2020 USD ($) shares	May 28, 2021 GBP (£)	Dec. 29, 2020 $ / shares
Business Acquisition [Line Items]
Aggregate cash consideration														$ 616,316	$ 398,737
Goodwill													$ 1,039,850	$ 1,039,850		$ 794,335
Share price (in usd per share) | $ / shares																		$ 36.15
Customer relationships
Business Acquisition [Line Items]
Useful life (in years)														25 years
Liberty Freezers
Business Acquisition [Line Items]
Aggregate cash consideration							$ 43,500	$ 55.0
Cash received							1,400	1.8
Land							3,200
Buildings and improvements							13,900
Machinery and equipment							3,700
Goodwill							12,400
Operating lease right-of-use assets							29,000
Deferred tax liability							7,100
Consideration for acquisition							43,500	$ 55.0
Liberty Freezers | Customer relationships
Business Acquisition [Line Items]
Customer relationships							$ 8,000
Weighted average remaining intangible amortization life (in months)							25 years	25 years
KMT Brrr!
Business Acquisition [Line Items]
Aggregate cash consideration						$ 70,800
Cash received						500
Land						8,400
Buildings and improvements						46,700
Machinery and equipment						11,500
Goodwill						1,600
KMT Brrr! | Customer relationships
Business Acquisition [Line Items]
Customer relationships						$ 1,100
Weighted average remaining intangible amortization life (in months)						25 years
Bowman Stores
Business Acquisition [Line Items]
Aggregate cash consideration				$ 107,100	£ 75.5
Cash received				3,400	£ 2.4
Land				6,000
Buildings and improvements				33,600
Machinery and equipment				17,800
Goodwill				34,500
Deferred tax liability				12,700
Deferred consideration				11,800													£ 8.3
Bowman Stores | Customer relationships
Business Acquisition [Line Items]
Customer relationships				$ 25,300
Weighted average remaining intangible amortization life (in months)				25 years	25 years
AM-C Warehouses
Business Acquisition [Line Items]
Aggregate cash consideration											$ 82,700
Halls Warehouse Corporation
Business Acquisition [Line Items]
Aggregate cash consideration										$ 489,200
Cash received										7,900
Land										29,352			32,560	$ 32,560
Machinery and equipment										63,596			25,348	25,348
Goodwill										42,737			172,986	172,986
Operating lease right-of-use assets										26,400			27,139	27,139
Deferred tax liability										5,012			13,385	13,385
Halls Warehouse Corporation | Customer relationships
Business Acquisition [Line Items]
Customer relationships										$ 102,732			104,000	104,000
Agro Merchants Group
Business Acquisition [Line Items]
Aggregate cash consideration									$ 1,080,000
Cash received									47,500
Land									95,286				152,035	152,035
Machinery and equipment									206,453				227,940	227,940
Goodwill									346,673				404,223	404,223		$ 404,200
Operating lease right-of-use assets									191,229				203,781	203,781
Deferred tax liability									175,719				126,334	126,334
Consideration for acquisition									1,590,000
Deferred consideration									$ 49,700
Number of shares issued (in shares) | shares									14,166,667							46,100,000
Shares issued for acquisition									$ 512,100
Financing lease and sale-leaseback obligations									105,400
Consideration, including financing and sale-leaseback obligations									1,700,000
Agro Merchants Group | Minimum
Business Acquisition [Line Items]
Revenue since date of acquisition														140,900
Net income since date of acquisition														(11,100)
Agro Merchants Group | Maximum
Business Acquisition [Line Items]
Revenue since date of acquisition														256,900
Net income since date of acquisition														(23,600)
Agro Merchants Group | Customer relationships
Business Acquisition [Line Items]
Customer relationships									$ 333,501				$ 275,144	$ 275,144		$ 275,100
Useful life (in years)													25 years
Newark Facility Management
Business Acquisition [Line Items]
Aggregate cash consideration	$ 391,400
Cash received	1,000
Land	30,300
Buildings and improvements	51,000
Machinery and equipment	24,400
Goodwill	$ 17,200
Weighted average remaining intangible amortization life (in months)	25 years
Consideration for acquisition	$ 391,400
Newark Facility Management | Customer relationships
Business Acquisition [Line Items]
Customer relationships	$ 269,000
ColdCo
Business Acquisition [Line Items]
Aggregate cash consideration		$ 20,700
Cash received		300
Land		1,300
Buildings and improvements		10,300
Machinery and equipment		2,700
Goodwill		$ 1,800
Weighted average remaining intangible amortization life (in months)		25 years
ColdCo | Customer relationships
Business Acquisition [Line Items]
Customer relationships		$ 4,300
Lago Cold Stores
Business Acquisition [Line Items]
Aggregate cash consideration												$ 100.8
Frigorifico
Business Acquisition [Line Items]
Aggregate cash consideration			$ 16,000
Percentage of voting interests acquired			35.00%													65.00%