Note 15 - Employee Benefit Plans (Details) - Pension Plan Assets at Fair Value - USD ($) $ in Thousands	Jan. 03, 2016	Dec. 28, 2014
Defined Benefit Plan Disclosure [Line Items]
Pension plan assets	$ 239,280	$ 261,026
European Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension plan assets	71,920	81,821
UK Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension plan assets	167,360	179,205
Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension plan assets	165,766	255,092
Fair Value, Inputs, Level 1 [Member] | European Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension plan assets	71,920	81,821
Fair Value, Inputs, Level 1 [Member] | UK Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension plan assets	93,846	173,271
Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension plan assets	59,228	0
Fair Value, Inputs, Level 2 [Member] | European Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension plan assets	0	0
Fair Value, Inputs, Level 2 [Member] | UK Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension plan assets	59,228	0
Fair Value, Inputs, Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension plan assets	14,286	5,934
Fair Value, Inputs, Level 3 [Member] | European Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension plan assets	0	0
Fair Value, Inputs, Level 3 [Member] | UK Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension plan assets	$ 14,286	$ 5,934