Income Taxes - Narratives (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 28, 2019	Sep. 29, 2018	Sep. 28, 2019	Sep. 29, 2018	Dec. 31, 2018
Operating Loss Carryforwards
Effective rate for continuing operations (percent)	56.90%	1039.20%	44.90%	(14.60%)
Income tax expense (benefit)	$ 22,500	$ (31,686)	$ 45,030	$ (13,141)
Effective income tax expense (benefit) related to discrete tax adjustments	(6,200)	(59,800)	9,100	(65,100)
Hedging taxes reclassified from other comprehensive income			4,500
Interest expense from uncertain tax positions	400		(900)	900
Foreign taxes	400		400
Adjustments to tax estimates		40,200		40,200
Loss contingency accrual, tax		19,600		19,600
Tax (expense) benefit from the exercise. forfeiture, or cancellation of stock options			(1,200)	1,800
Tax expense related to the write off of equity method investment				7,100
Other tax expense (benefit)				2,700
Unrecognized tax benefits	15,400		15,400		$ 16,600
Chilean Subsidiary
Operating Loss Carryforwards
Hedging taxes reclassified from other comprehensive income	4,500
Change in valuation allowance			1,000
Adjustments
Operating Loss Carryforwards
Income tax expense (benefit)	600		1,100
Continuing operations
Operating Loss Carryforwards
Income tax expense (benefit)	$ 22,500	$ (31,700)	$ 45,000	$ (13,100)