Sale of Business - Narrative (Details)		3 Months Ended		6 Months Ended
	Jun. 25, 2020 USD ($) numberOfSubsidiaries	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Currency translation adjustment loss		$ 52,088,000	$ 0	$ 52,088,000	$ 0
Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of subsidiaries sold | numberOfSubsidiaries	5
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down	$ 56,900,000
Currency translation adjustment loss	(52,088,000)
Goodwill allocated	$ 3,000,000
Sales price and net assets write off period	60 days
Portion of sales price received on closing	$ 2,500,000
Cash included in net assets sold	6,100,000
Cash outflow at closing	$ 3,600,000