Note 6 - Accumulated Other Comprehensive Loss - Disclosure of Changes in Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2022		Jun. 30, 2021		Jun. 30, 2022		Jun. 30, 2021
Balance	$ 2,308,612		$ 1,524,569		$ 2,214,087		$ 1,390,204
Balance	2,419,762		1,655,938		2,419,762		1,655,938
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Balance	(63,079)		(23,914)		(52,704)		(11,674)
Other comprehensive income (loss) before reclassifications	(43,566)	[1]	(3,332)	[2]	(53,941)	[3]	(15,572)	[4]
Amounts reclassified from AOCL	0		0		0		0
Net current-period other comprehensive income (loss)	(43,566)		(3,332)		(53,941)		(15,572)
Balance	(106,645)		(27,246)		(106,645)		(27,246)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Balance	16,677		(7,585)		(2,051)		(22,580)
Other comprehensive income (loss) before reclassifications	7,129	[5]	(2,752)		25,857	[6]	12,243	[7]
Amounts reclassified from AOCL	0		0		0		0
Net current-period other comprehensive income (loss)	7,129		(2,752)		25,857		12,243
Balance	23,806		(10,337)		23,806		(10,337)
AOCI Attributable to Parent [Member]
Balance	(46,402)		(31,499)		(54,755)		(34,254)
Other comprehensive income (loss) before reclassifications	(36,437)		(6,084)		(28,084)		(3,329)
Amounts reclassified from AOCL	0		0		0		0
Net current-period other comprehensive income (loss)	(36,437)		(6,084)		(28,084)		(3,329)
Balance	$ (82,839)		$ (37,583)		$ (82,839)		$ (37,583)

[1] Represents unfavorable impact from the strengthening of the U.S. dollar against foreign currencies during the three months ended June 30, 2022, particularly the Euro and British Pound.

[2] Represents unfavorable impact from the strengthening of the U.S. dollar against foreign currencies during the three months ended March 31, 2021 particularly the Euro and Mexican Peso.

[3] Represents unfavorable impact from the strengthening of the U.S. dollar against foreign currencies during the six months ended June 30, 2022, particularly the Euro and British Pound.

[4] Represents unfavorable impact from the strengthening of the U.S. dollar against foreign currencies during the six months ended June 30, 2021 particularly the Euro and British Pound.

[5] Represents unrealized gains of $9,537 on the interest rate swaps, net of tax effect of $(2,408) for the three months ended June 30, 2022.

[6] Represents unrealized gains of $34,591 on the interest rate swaps, net of tax effect of $(8,734) for the six months ended June 30, 2022.

[7] Represents unrealized gains of $16,379 on the interest rate swaps, net of tax effect of $(4,136) for the six months ended June 30, 2021.