Note 15 - Employee Benefit Plans - Defined Benefit Plans (Details) - USD ($) $ in Thousands	Jan. 01, 2017	Jan. 03, 2016	Dec. 28, 2014
Projected Benefit Obligation	$ 29,700	$ 25,860	$ 24,016
Uk Plan [Member]
Projected Benefit Obligation	171,172	168,178
Accumulated benefit obligations	171,172	168,178
Plan Assets	153,132	167,360
European Plans [Member]
Projected Benefit Obligation	106,641	75,539
Accumulated benefit obligations	103,242	71,005
Plan Assets	$ 105,233	$ 71,920

1) For defined benefit pension plans, the benefit obligation is the projected benefit obligation, which is the actuarial present value as of a date of all benefits attributed by the pension benefit formula to employee service rendered prior to that date. 2) For other postretirement defined benefit plans, the benefit obligation is the accumulated postretirement benefit obligation, which is the actuarial present value of benefits attributed to employee service rendered to a particular date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Projected Benefit Obligation
-URI http://asc.fasb.org/extlink&oid=6522206

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Accumulated Postretirement Benefit Obligation
-URI http://asc.fasb.org/extlink&oid=6503904

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