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Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2023

Fair Value Disclosures [Abstract]

Schedule of Fair Values of Financial Instruments and Nonfinancial Assets and Liabilities Measured at the Reporting Date

The fair values of these financial instruments are summarized as follows:


				Fair Value at
		Fair Value Hierarchy Levels
				March 31, 2023								December 31, 2022
				Assets				Liabilities				Assets				Liabilities
Derivatives designated as cash flow hedging instruments:
Fuel hedge contracts		2		$	—			$	2,693			$	—			$	638
Foreign currency exchange hedge contracts		2			995				—				831				6
Total derivatives				$	995			$	2,693			$	831			$	644

Changes in Components of Accumulated Other Comprehensive Income (Loss)

Changes in the components of the accumulated balances of other comprehensive income (loss) are as follows:


		Three Months Ended
		March 31,
		2023				2022
Derivatives:
Fuel Hedge Contracts
Reclassification of derivative losses (gains) to earnings—net of tax		$	370			$	(2,481	)
Change in fair value of derivatives—net of tax			(1,906	)			8,716
Net change in cash flow derivative fuel hedges—net of tax		$	(1,536	)		$	6,235
Foreign Currency Exchange Hedge Contracts
Reclassification of derivative losses (gains) to earnings—net of tax		$	(42	)		$	—
Change in fair value of derivatives—net of tax			169				—
Net change in cash flow derivative foreign currency hedges—net of tax		$	127			$	—
Total net change in cash flow derivative hedges - net of tax		$	(1,409	)		$	6,235

Adjustments Reclassified from Accumulated Balances Other Comprehensive Loss (Income) to Earnings

Adjustments reclassified from accumulated balances of other comprehensive loss (income) to earnings are as follows:


				Three Months Ended
				March 31,
		Statement of Operations Location		2023				2022
Derivatives:
Fuel hedge contracts		Costs of contract revenues		$	495			$	(3,319	)
Foreign currency exchange hedge contracts		Other expense (income)			(52	)			—
		Income tax benefit (provision)			112				(838	)
				$	331			$	(2,481	)