Derivative Financial Instruments - Narrative (Details) $ in Millions, $ in Millions				3 Months Ended	12 Months Ended
	Feb. 28, 2020 USD ($)	Jan. 31, 2020 USD ($)	Jan. 02, 2020 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2020 AUD ($)	Dec. 31, 2020 NZD ($)	Mar. 31, 2020 instrument	Jan. 31, 2020 CAD ($)	Jan. 02, 2020 CAD ($)	Dec. 31, 2019 CAD ($)
Derivative [Line Items]
Interest expense					$ 91,481,000	$ 94,408,000	$ 93,312,000
Foreign currency exchange (loss) gain, net					(45,278,000)	10,000	$ 2,882,000
Derivative liability				$ 10,100,000	10,100,000
Termination value				10,300,000	10,300,000
Credit Facility | 2020 Senior Unsecured Revolving Credit Facility | Revolving Credit Facility
Derivative [Line Items]
Fee on termination for derivative instruments recognized as interest				7,700,000
Gain (loss) to be reclassified in next twelve months					2,700,000
Senior Notes | Series D and Series E Notes
Derivative [Line Items]
Amount of hedged loan				750,000,000	$ 750,000,000
Gain (loss) on settlement				(45,000,000)
Interest Rate Swap
Derivative [Line Items]
Derivative agreement term					5 years
Foreign exchange forwards
Derivative [Line Items]
Gain (loss) to be reclassified in next twelve months					$ 500,000
Foreign exchange forwards | Intercompany Loan | Australian Intercompany Loan
Derivative [Line Items]
Amount of hedged loan								$ 153.5
Foreign exchange forwards | Intercompany Loan | New Zealand Intercompany Loan
Derivative [Line Items]
Amount of hedged loan									$ 37.5
January 2019 Agreement | Interest Rate Swap
Derivative [Line Items]
Notational amount				100,000,000	100,000,000
August 2019 Agreement | Interest Rate Swap
Derivative [Line Items]
Notational amount				$ 225,000,000	225,000,000
December 2019 Agreement | Foreign exchange forwards
Derivative [Line Items]
Gain (loss) on settlement						$ (100,000)
January 2020 Agreement, Maturing February 28, 2020 | Foreign exchange forwards
Derivative [Line Items]
Notational amount											$ 217,000,000.0
Gain (loss) on settlement	$ 2,800,000
Nova Cold Logistics | Foreign exchange forwards
Derivative [Line Items]
Number of derivative instruments | instrument										2
Unrealized gain (loss)					$ 100,000
Nova Cold Logistics | December 2019 Agreement, Maturing January 2, 2020 | Foreign exchange forwards
Derivative [Line Items]
Notational amount													$ 217,000,000.0
Gain (loss) on settlement			$ 2,100,000
Nova Cold Logistics | December 2019 Agreement, Maturing January 31, 2020 | Foreign exchange forwards
Derivative [Line Items]
Notational amount												$ 217,000,000.0	$ 217,000,000.0
Gain (loss) on settlement		$ 200,000