Geographic And Group Information (Long-Lived Assets Attributable To Geographic Area) (Details) - USD ($)	Oct. 02, 2015	Jan. 02, 2015
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	$ 93,946,000	$ 95,730,000
North America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	78,882,000	80,152,000
International Primarily European Countries [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	$ 15,064,000	$ 15,578,000