Fair Value Measurements (Tables)

6 Months Ended

Jun. 28, 2015

Fair Value Disclosures [Abstract]

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

The following table categorizes items measured at fair value, on a recurring and unrecurring basis at December 28, 2014:

			Fair Value Measurement at Reporting Date Using
			Quoted Prices		Significant Other		Significant
			in Active Markets		Observable		Unobservable
			for Identical Assets		Inputs		Inputs
December 28, 2014			(Level 1)		(Level 2)		(Level 3)
(Dollars in thousands)
Assets
Certificates of deposit	$	3,750	$	—	$	3,750	$	—
Investment in unconsolidated affiliate	2,000		—		—		2,000
Total	$	5,750	$	—	$	3,750	$	2,000
Liabilities
Derivative contracts	$	7,552	$	—	$	7,552	$	—
Total	$	7,552	$	—	$	7,552	$	—