Derivative Instruments and Hedging Activity Tables (Tables)

6 Months Ended

Jun. 29, 2018

Derivative Instruments and Hedging Activities Disclosure [Abstract]

DerivativeInstrumentsNonHedging [Table Text Block]

The following table summarizes the notional amount and the fair value of the Company’s outstanding derivatives not designated as hedging instruments and balance sheet classification as of June 29, 2018 and December 31, 2017:

	June 29, 2018				December 31, 2017
(Thousands)	Notional Amount		Fair Value		Notional Amount		Fair Value
Foreign currency forward contracts - euro
Prepaid expenses	$	25,377	$	559	$	13,981	$	127
Other liabilities and accrued items	—		—		—		—
Total	$	25,377	$	559	$	13,981	$	127

Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]

The following table summarizes the notional amount and the fair value of the Company’s outstanding derivatives designated as cash flow hedges and balance sheet classification as of June 29, 2018 and December 31, 2017:

	June 29, 2018					December 31, 2017
(Thousands)	Notional Amount		Fair Value			Notional Amount		Fair Value
Prepaid expenses
Foreign currency forward contracts - yen	$	847	$	29		$	5,673	$	91
Foreign currency forward contracts - euro	9,387		229			5,026		36
Precious metal swaps	8,548		322			—		—
Total	18,782		580			10,699		127
Other assets
Precious metal swaps	540		25			880		14
Total	540		25			880		14
Other liabilities and accrued items
Foreign currency forward contracts - yen	2,158		(19		)	—		—
Foreign currency forward contracts - euro	819		(4		)	13,583		(201		)
Precious metal swaps	188		—			10,067		(255		)
Total	3,165		(23		)	23,650		(456		)
Other long-term liabilities
Precious metal swaps	—		—			789		(14		)
Total	$	22,487	$	582		$	36,018	$	(329	)