Derivative Financial Instruments Schedule of Offsetting of Derivative Liabilities (Details) - USD ($) $ in Thousands	Oct. 02, 2016	Dec. 31, 2015
Offsetting of Derivative Liabilities [Line Items]
Gross Amounts of Recognized Liabilities	$ 1,285	$ 451
Gross Amounts Offset in the Balance Sheet	0	0
Net Amounts of Liabilities Presented in the Balance Sheet	1,285	451
Financial Instruments	(1,053)	(451)
Cash Collateral Pledged	0	0
Net Amount	232	0
Barclays [Member]
Offsetting of Derivative Liabilities [Line Items]
Gross Amounts of Recognized Liabilities		56
Gross Amounts Offset in the Balance Sheet		0
Net Amounts of Liabilities Presented in the Balance Sheet		56
Financial Instruments		(56)
Cash Collateral Pledged		0
Net Amount		0
J.P. Morgan Chase [Member]
Offsetting of Derivative Liabilities [Line Items]
Gross Amounts of Recognized Liabilities	132
Gross Amounts Offset in the Balance Sheet	0
Net Amounts of Liabilities Presented in the Balance Sheet	132
Financial Instruments	(92)
Cash Collateral Pledged	0
Net Amount	40
Wells Fargo Bank [Member]
Offsetting of Derivative Liabilities [Line Items]
Gross Amounts of Recognized Liabilities	1,153	395
Gross Amounts Offset in the Balance Sheet	0	0
Net Amounts of Liabilities Presented in the Balance Sheet	1,153	395
Financial Instruments	(961)	(395)
Cash Collateral Pledged	0	0
Net Amount	$ 192	$ 0