Note 15 - Employee Benefit Plans - Funded Status of The Company's Significant Foreign Defined Benefit Plans (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 01, 2017	Jan. 03, 2016	Dec. 28, 2014
Benefit obligation, beginning of year	$ 25,860	$ 24,016
Service cost	440	594
Interest cost	1,269	1,113
Benefits paid	(1,012)	(847)
Actuarial loss (gain)	3,143	984
Benefit obligation, end of year	29,700	25,860	$ 24,016
Unrecognized actuarial loss	(5,626)	(4,226)
Total amount recognized	54,862	43,290
Foreign Defined Benefit Plan [Member]
Benefit obligation, beginning of year	243,717	275,762
Service cost	1,032	1,061	705
Interest cost	6,580	8,384	10,563
Benefits paid	(8,551)	(10,004)
Actuarial loss (gain)	73,600	(13,591)
Member contributions	225	239
Currency translation adjustment	(38,790)	(18,134)
Benefit obligation, end of year	277,813	243,717	275,762
Plan assets, beginning of year	239,281	261,026
Actual return on assets	59,364	753
Company contributions	4,990	5,001
Translation adjustment	(36,719)	(17,496)
Plan assets, end of year	258,365	239,281	$ 261,026
Funded status benefit asset/(liability)	(19,448)	(4,437)
Net amount recognized	(19,448)	(4,437)
Unrecognized actuarial loss	49,547	39,411
Unamortized prior service costs	(311)	(347)
Total amount recognized	$ 49,236	$ 39,064