Derivative Instruments Schedule of Derivative Instruments (Tables)

9 Months Ended

Sep. 26, 2020

Derivative [Line Items]

Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block]

The following tables reflect the effect of derivatives designated as cash flow hedging (in thousands): 

	Gain (loss) recognized in OCI on Derivative (1)
	Three Months Ended				Nine Months Ended
	September 26, 2020		September 28, 2019		September 26, 2020		September 28, 2019
Foreign currency forward contracts	$	(11,230)	$	10,905	$	(7,177)	$	15,254

(1)The amount represents the change in fair value of derivative contracts due to changes in spot rates.

Schedule of Derivative Instruments [Table Text Block]

The fair values of derivative instruments are as follows (in thousands):

		Fair Value
	Classification	September 26, 2020		December 28, 2019
Derivatives not designated as hedging instruments:
Foreign currency forward contracts	Other current assets	$	724	$	1,855
Foreign currency forward contracts	Accrued expenses	1,177		297
Forward sale contract	Accrued expenses	626		—
Derivatives designated as cash flow hedges:
Foreign currency forward contracts	Other current assets	$	2,781	$	4,347
Foreign currency forward contracts	Other assets	3,136		9,112
Foreign currency forward contracts	Accrued expenses	435		47
Foreign currency forward contracts	Long-term liabilities	3,689		414