Note 14 - Subsequent Events (Details) (USD $) In Millions, except Share data, unless otherwise specified	0 Months Ended
	Apr. 02, 2014 Subsequent Event [Member] Expiring Six Years from Grant Date [Member] 2012 Incentive Plan [Member] Chief Financial Officer [Member]	Oct. 16, 2013 Subsequent Event [Member] Vesting on March 31, 2021 [Member] 2012 Incentive Plan [Member] Chief Financial Officer [Member]	Apr. 02, 2014 Subsequent Event [Member] 2012 Incentive Plan [Member] Chief Financial Officer [Member]	Nov. 05, 2013 Subsequent Event [Member]	Apr. 02, 2014 2012 Incentive Plan [Member] Chief Financial Officer [Member]
Note 14 - Subsequent Events (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures			400,000
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in Dollars per share)					$ 29.52
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	300,000	100,000
Share Based Compensation Arrangement By Share Based Payment Award Option Expiration Period			6 years
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period			4 years
Dividends, Common Stock (in Dollars)				$ 2.3
Common Stock, Dividends, Per Share, Declared (in Dollars per share)				$ 0.05