Derivative Instruments Schedule of Derivative Instruments (Tables)

3 Months Ended

Mar. 28, 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
	March 28, 2020		March 30, 2019
Foreign currency forward contracts	$	7,566	$	6,404

(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	March 28, 2020		December 28, 2019
Derivatives not designated as hedging instruments:
Foreign currency forward contracts	Other current assets	$	1,756	$	1,855
Foreign currency forward contracts	Accrued expenses	559		297
Derivatives designated as cash flow hedges:
Foreign currency forward contracts	Other current assets	$	7,398	$	4,347
Foreign currency forward contracts	Other assets	11,737		9,112
Foreign currency forward contracts	Accrued expenses	—		47
Foreign currency forward contracts	Long-term liabilities	—		414