Note 13 - Employee Retirement Plans (Details) - Weighted-average Assumption used to Determine Benefit Obligations and Net Periodic Benefit Cost	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
United States Pension Plan of US Entity, Defined Benefit [Member]
Note 13 - Employee Retirement Plans (Details) - Weighted-average Assumption used to Determine Benefit Obligations and Net Periodic Benefit Cost [Line Items]
Discount rate	4.75%	3.75%	4.75%
Rate of compensation increase	4.00%	4.00%	4.25%
Discount rate	3.75%	4.75%	5.25%
Expected return on plan assets	6.00%	6.00%	6.50%
Rate of compensation increase	4.00%	4.25%	4.25%
Foreign Postretirement Benefit Plan, Defined Benefit [Member]
Note 13 - Employee Retirement Plans (Details) - Weighted-average Assumption used to Determine Benefit Obligations and Net Periodic Benefit Cost [Line Items]
Discount rate	4.08%	4.48%	4.40%
Rate of compensation increase	3.85%	3.45%	3.44%
Discount rate	4.48%	4.40%	4.75%
Expected return on plan assets	3.73%	6.01%	5.59%
Rate of compensation increase	3.45%	3.44%	4.35%
United States Postretirement Benefit Plan of US Entity, Defined Benefit [Member]
Note 13 - Employee Retirement Plans (Details) - Weighted-average Assumption used to Determine Benefit Obligations and Net Periodic Benefit Cost [Line Items]
Discount rate	4.75%	4.00%	4.75%
Discount rate	4.00%	4.75%	5.25%