Fair Value Measurements (Tables)

6 Months Ended

Sep. 30, 2021

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

At September 30, 2021 and 2020, and at March 31, 2021, 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:


	September 30, 2021
			Fair Value Hierarchy
(in thousands of dollars)	NAV		Level 1		Level 2		Level 3		Total

Assets
Money market funds	$	335	$	—	$	—	$	—	$	335
Trading securities associated with deferred compensation plans	—		14,557		—		—		14,557
Interest rate swap agreements	—		—		—		—		—
Foreign currency exchange contracts	—		—		1,917		—		1,917
Total financial assets measured and reported at fair value	$	335	$	14,557	$	1,917	$	—	$	16,809

Liabilities



Interest rate swap agreements	—		—		22,888		—		22,888
Foreign currency exchange contracts	—		—		3,791		—		3,791
Total financial liabilities measured and reported at fair value	$	—	$	—	$	26,679	$	—	$	26,679


	September 30, 2020
			Fair Value Hierarchy
(in thousands of dollars)	NAV		Level 1		Level 2		Level 3		Total

Assets
Money market funds	$	1,991	$	—	$	—	$	—	$	1,991
Trading securities associated with deferred compensation plans	—		14,495		—		—		14,495

Foreign currency exchange contracts	—		—		291		—		291
Total financial assets measured and reported at fair value	$	1,991	$	14,495	$	291	$	—	$	16,777

Liabilities


Acquisition-related contingent consideration obligations - long term	$	—	$	—	$	—	$	2,532	2,532
Interest rate swap agreements	—		—		37,109		—		37,109
Foreign currency exchange contracts	—		—		1,400		—		1,400
Total financial liabilities measured and reported at fair value	$	—	$	—	$	38,509	$	2,532	$	41,041


	March 31, 2021
			Fair Value Hierarchy
(in thousands of dollars)	NAV		Level 1		Level 2		Level 3		Total

Assets
Money market funds	$	1,992	$	—	$	—	$	—	$	1,992
Trading securities associated with deferred compensation plans	—		15,735		—		—		15,735

Foreign currency exchange contracts	—		—		1,572		—		1,572
Total financial assets measured and reported at fair value	$	1,992	$	15,735	$	1,572	$	—	$	19,299

Liabilities


Acquisition-related contingent consideration obligations - long-term	$	—	$	—	$	—	$	2,532	$	2,532
Interest rate swap agreements	—		—		25,719		—		25,719
Foreign currency exchange contracts	—		—		1,822		—		1,822
Total financial liabilities measured and reported at fair value	$	—	$	—	$	27,541	$	2,532	$	30,073

Schedule of Business Acquisitions by Acquisition, Contingent Consideration [Table Text Block]

A reconciliation of the change in the balance of the acquisition-related contingent consideration obligation (Level 3) for the six months ended September 30, 2021 and 2020 is provided below.


(in thousands of dollars)	Six Months Ended September 30,
	2021		2020
Balance beginning of year	$	2,532	$	6,705


Change in fair value of contingent consideration liability	(2,532)		(4,173)
Balance at end of period	$	—	$	2,532

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, including the current portion at each of the balance sheet dates September 30, 2021, and 2020 and March 31, 2021:


(in millions of dollars)	September 30, 2021		September 30, 2020		March 31, 2021
Fair market value of long term obligations	$	518	$	370	$	517
Carrying value of long term obligations	$	520	$	370	$	520