Derivative Financial Instruments Schedule of Offsetting of Derivate Liabilities (Details) - USD ($) $ in Thousands	Apr. 03, 2016	Dec. 31, 2015
Offsetting Liabilities [Line Items]
Gross Amounts of Recognized Liabilities	$ 3,549	$ 451
Gross Amounts Offset in the Balance Sheet	0	0
Net Amounts of Liabilities Presented in the Balance Sheet	3,549	451
Financial Instruments	(463)	(451)
Cash Collateral Pledged	0	0
Net Amount	3,086	0
Barclays [Member]
Offsetting 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 Liabilities [Line Items]
Gross Amounts of Recognized Liabilities	28
Gross Amounts Offset in the Balance Sheet	0
Net Amounts of Liabilities Presented in the Balance Sheet	28
Financial Instruments	0
Cash Collateral Pledged	0
Net Amount	28
Wells Fargo Bank [Member]
Offsetting Liabilities [Line Items]
Gross Amounts of Recognized Liabilities	3,521	395
Gross Amounts Offset in the Balance Sheet	0	0
Net Amounts of Liabilities Presented in the Balance Sheet	3,521	395
Financial Instruments	(463)	(395)
Cash Collateral Pledged	0	0
Net Amount	$ 3,058	$ 0