Note 5 - Capital Stock (Details Textual) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
	Apr. 25, 2025	Mar. 31, 2025	Mar. 31, 2024
Treasury Stock, Shares, Acquired		1,413,000
Treasury Stock, Value, Acquired, Cost Method		$ 234,129	$ 25,140
Share Repurchase Program, Remaining Authorized, Amount		$ 650,200
Common Stock, Dividends, Per Share, Declared		$ 0.44
Subsequent Event [Member]
Common Stock, Dividends, Per Share, Declared	$ 0.44