Note 7 - Operating Segment Summary Information (Details) - USD ($)	3 Months Ended
	Apr. 03, 2016	Apr. 05, 2015	Jan. 03, 2016
Americas [Member]
Net Sales	$ 130,417,000	$ 139,347,000
Depreciation and amortization	3,657,000	3,941,000
Assets	221,071,000
Europe [Member]
Net Sales	57,958,000	64,507,000
Depreciation and amortization	1,274,000	1,205,000
Assets	251,630,000
Asia Pacific [Member]
Net Sales	34,179,000	33,050,000
Depreciation and amortization	2,216,000	2,365,000
Assets	190,499,000
Operating Segments [Member]
Net Sales	222,554,000	236,904,000
Depreciation and amortization	7,147,000	7,511,000
Assets	663,200,000
Net Sales	222,554,000	236,904,000
Depreciation and amortization	7,517,000	$ 7,789,000
Assets	$ 766,472,000		$ 756,549,000