Note 16 - Share Repurchase Programs - Schedule of Share Repurchase Programs (Details) - $ / shares	3 Months Ended						6 Months Ended				36 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	[1]	Jun. 30, 2021	Mar. 31, 2021	[1]	Jun. 30, 2022		Jun. 30, 2021	[2]	Mar. 31, 2022
Treasury Stock, Number of Shares Purchased (in shares)	3,100,683	11,014,201		12,204,409	6,691,421		14,114,884	[2]	18,895,830		83,300,000
Treasury Stock, Average Price per Share (in dollars per share)	$ 232.87	$ 249.95	[3]	$ 222.46	$ 209.50	[3]	$ 246.20	[2]	$ 217.87
Remaining number of shares that may be repurchased under current authority (in shares)	96,899,317						96,899,317

[1] Includes 7,012,232 shares repurchased in 2022 under accelerated share repurchase programs.

[2] Includes 1,847,185 and 7,209,156 shares repurchased in 2022 and 2021, respectively, under accelerated share repurchase programs.

[3] In the period of the final settlement, the average price paid under the accelerated share repurchase programs is calculated based on the total program value less the value assigned to the initial delivery of shares. The average price of the initial settlement of the 2022 accelerated share repurchase programs was $250.99.