Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 27, 2020	Jun. 28, 2020	Mar. 29, 2020	Sep. 27, 2020	Jan. 01, 2020	Dec. 31, 2019	Sep. 29, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018
Credit Loss [Line Items]
Cumulative effect of change in accounting principle	$ (798,587)	$ (829,882)	$ (953,035)	$ (798,587)		$ (965,819)	$ (1,144,810)	$ (1,433,533)	$ (1,431,329)	$ (1,387,588)
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Accounts receivable, allowance for credit loss, beginning balance	5,692	3,186	2,569	2,569
Current period provision		2,621	(172)
Writeoffs	(108)	(52)
Recoveries collected	(76)	(100)	(9)
Fx impact	29	37	(213)
Accounts receivable, allowance for credit loss, ending balance	5,537	5,692	3,186	$ 5,537
Accounting Standards Update [Extensible List]				us-gaap:AccountingStandardsUpdate201613Member
Revision of Prior Period, Accounting Standards Update, Adjustment
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Accounts receivable, allowance for credit loss, beginning balance			1,011	$ 1,011
Retained Earnings
Credit Loss [Line Items]
Cumulative effect of change in accounting principle	$ (446,198)	$ (431,459)	$ (501,611)	$ (446,198)		$ (518,004)	$ (667,703)	$ (967,970)	$ (936,479)	$ (922,000)
Retained Earnings | Cumulative Effect, Period of Adoption, Adjustment
Credit Loss [Line Items]
Cumulative effect of change in accounting principle					$ 2,900
Retained Earnings | Cumulative Effect, Period of Adoption, Adjustment | Continuing Operations
Credit Loss [Line Items]
Cumulative effect of change in accounting principle					1,000
Retained Earnings | Cumulative Effect, Period of Adoption, Adjustment | Discontinued Operations
Credit Loss [Line Items]
Cumulative effect of change in accounting principle					$ 1,900