Note 6 - Financial Instruments and Fair Value Measurements - Derivatives Recognized in Condensed Consolidation Financial Statements (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Total		$ (165)	$ (7,809)	$ (739)	$ 2,147
Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member]
Derivative instruments designated as cash flow hedging instruments:	[1]	(79)	(9,272)	(496)	4,005
Designated as Hedging Instrument [Member] | Interest Rate Cap [Member]
Derivative instruments designated as cash flow hedging instruments:	[2]	(86)	16	(163)	138
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member]
Foreign exchange forward	[3]	$ 0	$ 1,447	$ (80)	$ (1,996)

[1] For the three and six months ended June 30, 2021, $0.1 million was recognized as a loss on foreign currency in the condensed consolidated statements of income, and a $0.0 million and a $0.4 million gain, respectively, was recognized, net of tax, as a component of other comprehensive income (loss) within stockholders’ equity. For the three and six months ended June 30, 2020, $5.3 million was recognized as a loss on foreign currency in the condensed consolidated statements of income, and a $3.9 million gain and a $9.3 million loss, respectively, was recognized, net of tax, as a component of other comprehensive income (loss) within stockholders’ equity.

[2] Recognized, net of tax, as a component of other comprehensive income (loss) within stockholders’ equity.

[3] Gains (losses) related to derivative instruments are expected to be largely offset by (losses) gains on the underlying exposures being hedged. During the three and six months ended June 30, 2021, a loss of $0.0 million and $0.1 million, respectively, were recognized in gain (loss) on foreign currency. During the three and six months ended June 30, 2020, a gain of $1.4 million and a loss of $2.0 million was recognized in gain (loss) on foreign currency.