Fair Value Measurements (Tables)

6 Months Ended

Jul. 31, 2021

Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Abstract]

Assets and Liabilities Measured at Fair Value on Recurring Basis

The following tables present the fair value hierarchy for those assets and liabilities measured at fair value on a recurring basis as of July 31, 2021 and 2020 and January 31, 2021 (in thousands):

		Fair Value at July 31, 2021
	Balance Sheet Location	Level 1		Level 2		Level 3		Total
Assets:
Available-for-sale securities	Other current assets	$	218	$	—	$	—	$	218
Short-term investment	Other current assets		167		—		—		167
SERP assets - employer	Other non-current assets		882		—		—		882
SERP assets - employee	Other non-current assets		47,886		—		—		47,886
Defined benefit plan assets	Other non-current liabilities		—		—		28,057		28,057
Hedge derivatives	Other current assets		—		140		—		140
Total		$	49,153	$	140	$	28,057	$	77,350
Liabilities:
SERP liabilities - employee	Other non-current liabilities	$	47,886	$	—	$	—	$	47,886
Total		$	47,886	$	—	$	—	$	47,886

		Fair Value at January 31, 2021
	Balance Sheet Location	Level 1		Level 2		Level 3		Total
Assets:
Available-for-sale securities	Other current assets	$	184	$	—	$	—	$	184
Short-term investment	Other current assets		162		—		—		162
SERP assets - employer	Other non-current assets		605		—		—		605
SERP assets - employee	Other non-current assets		46,673		—		—		46,673
Defined benefit plan assets	Other non-current liabilities		—		—		25,837		25,837
Total		$	47,624	$	—	$	25,837	$	73,461
Liabilities:
SERP liabilities - employee	Other non-current liabilities	$	46,673	$	—	$	—	$	46,673
Hedge derivatives	Accrued liabilities		—		13		—		13
Total		$	46,673	$	13	$	—	$	46,686

		Fair Value at July 31, 2020
	Balance Sheet Location	Level 1		Level 2		Level 3		Total
Assets:
Available-for-sale securities	Other current assets	$	141	$	—	$	—	$	141
Short-term investment	Other current assets		155		—		—		155
SERP assets - employer	Other non-current assets		935		—		—		935
SERP assets - employee	Other non-current assets		45,043		—		—		45,043
Defined benefit plan assets	Other non-current liabilities		—		—		25,907		25,907
Hedge derivatives	Other current assets		—		228		—		228
Total		$	46,274	$	228	$	25,907	$	72,409
Liabilities:
SERP liabilities - employee	Other non-current liabilities	$	45,043	$	—	$	—	$	45,043
Total		$	45,043	$	—	$	—	$	45,043