Derivatives (Tables)

12 Months Ended

Dec. 30, 2017

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Gains (Losses) on Derivative Financial Instruments

The following represents the gains (losses) on derivative financial instruments for the year ended January 2, 2016, and their classifications within the accompanying consolidated financial statements (in thousands):

	Derivatives in Cash Flow Hedging Relationships
	Amount of Gain or (Loss) Recognized in OCI on Derivatives (Effective Portion)		Location of Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)		Amount of Loss Reclassified from Accumulated OCI into Income (Effective Portion)
	Year Ended				Year Ended
	January 2,				January 2,
	2016				2016
Aluminum contracts	$	126		Cost of sales	$	—

	Location of Gain or (Loss) Recognized in Income on Derivatives (Ineffective Portion)		Amount of Gain or (Loss) Recognized in Income on Derivatives (Ineffective Portion)
			Year Ended
			January 2,
			2016
Aluminum contracts		Other expense, net	($	388	)