Fair Value Measurements (Tables)

3 Months Ended

Jun. 30, 2023

Financial Assets And Liabilities Measured At Fair Value On Recurring Basis [Table Text Block]

At June 30, 2023 and 2022, and at March 31, 2023, the Company had certain financial assets and financial liabilities that were required to be measured and reported at fair value on a recurring basis. These assets and liabilities are listed in the tables below and are classified based on how their values were determined under the fair value hierarchy or the NAV practical expedient:


	June 30, 2023
			Fair Value Hierarchy
(in thousands of dollars)	NAV		Level 1		Level 2		Level 3		Total

Assets
Money market funds	$	566	$	—	$	—	$	—	$	566
Trading securities associated with deferred compensation plans	—		11,884		—		—		11,884
Interest rate swap agreements	—		—		5,810		—		5,810
Foreign currency exchange contracts	—		—		3,014		—		3,014
Total financial assets measured and reported at fair value	$	566	$	11,884	$	8,824	$	—	$	21,274

Liabilities




Foreign currency exchange contracts	$	—	$	—	$	4,515	$	—	$	4,515
Total financial liabilities measured and reported at fair value	$	—	$	—	$	4,515	$	—	$	4,515


	June 30, 2022
			Fair Value Hierarchy
(in thousands of dollars)	NAV		Level 1		Level 2		Level 3		Total

Assets
Money market funds	$	334	$	—	$	—	$	—	$	334
Trading securities associated with deferred compensation plans	—		11,666		—		—		11,666
Interest rate swap agreements	—		—		4,345		—		4,345
Foreign currency exchange contracts	—		—		8,689		—		8,689
Total financial assets measured and reported at fair value	$	334	$	11,666	$	13,034	$	—	$	25,034

Liabilities




Foreign currency exchange contracts	$	—	$	—	$	405	$	—	$	405
Total financial liabilities measured and reported at fair value	$	—	$	—	$	405	$	—	$	405


	March 31, 2023
			Fair Value Hierarchy
(in thousands of dollars)	NAV		Level 1		Level 2		Level 3		Total

Assets
Money market funds	$	400	$	—	$	—	$	—	$	400
Trading securities associated with deferred compensation plans	—		11,698		—		—		11,698

Foreign currency exchange contracts	—		—		8,422		—		8,422
Total financial assets measured and reported at fair value	$	400	$	11,698	$	8,422	$	—	$	20,520

Liabilities



Interest rate swap agreements	$	—	$	—	$	3,077	$	—	$	3,077
Foreign currency exchange contracts	—		—		1,325		—		1,325
Total financial liabilities measured and reported at fair value	$	—	$	—	$	4,402	$	—	$	4,402

Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block]

The following table summarizes the fair and carrying value of the Company’s long-term debt, and if applicable any current portion, at each of the balance sheet dates June 30, 2023, and 2022 and March 31, 2023:


(in millions of dollars)	June 30, 2023		June 30, 2022		March 31, 2023
Fair market value of long term obligations	$	620	$	517	$	621
Carrying value of long term obligations	$	620	$	520	$	620