Bank Indebtedness and Long-Term Debt (Bank indebtedness Table) (Details) - USD ($) $ in Thousands	Apr. 02, 2016	Jan. 02, 2016
Line of Credit Facility [Line Items]
Line of Credit Facility, Amount Outstanding	$ 202,444	$ 159,773
North American Line Of Credit [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Amount Outstanding	0	70,563
European Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Amount Outstanding	0	87,419
Bulgarian Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Amount Outstanding	2,889	1,791
Global Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Amount Outstanding	$ 199,555	$ 0