Fair Value Measurements (Tables)

3 Months Ended

Apr. 30, 2020

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 April 30, 2020 and 2019 and January 31, 2020 (in thousands):

		Fair Value at April 30, 2020
	Balance Sheet Location	Level 1		Level 2		Level 3		Total
Assets:
Available-for-sale securities	Other current assets	$	133	$	—	$	—	$	133
Short-term investment	Other current assets		148		—		—		148
SERP assets - employer	Other non-current assets		964		—		—		964
SERP assets - employee	Other non-current assets		41,759		—		—		41,759
Defined benefit plan assets	Other non-current liabilities		—		—		22,799		22,799
Hedge derivatives	Other current assets		—		5		—		5
Total		$	43,004	$	5	$	22,799	$	65,808
Liabilities:
SERP liabilities - employee	Other non-current liabilities	$	41,735	$	—	$	—	$	41,735
Hedge derivatives	Accrued liabilities		—		29		—		29
Total		$	41,735	$	29	$	—	$	41,764

		Fair Value at January 31, 2020
	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		156		—		—		156
SERP assets - employer	Other non-current assets		988		—		—		988
SERP assets - employee	Other non-current assets		45,256		—		—		45,256
Defined benefit plan assets	Other non-current liabilities		—		—		24,227		24,227
Hedge derivatives	Other current assets		—		347		—		347
Total		$	46,584	$	347	$	24,227	$	71,158
Liabilities:
SERP liabilities - employee	Other non-current liabilities	$	45,264	$	—	$	—	$	45,264
Contingent consideration	Other non-current liabilities		—		—		—		—
Total		$	45,264	$	—	$	—	$	45,264

		Fair Value at April 30, 2019
	Balance Sheet Location	Level 1		Level 2		Level 3		Total
Assets:
Available-for-sale securities	Other current assets	$	178	$	—	$	—	$	178
Short-term investment	Other current assets		152		—		—		152
SERP assets - employer	Other non-current assets		978		—		—		978
SERP assets - employee	Other non-current assets		41,268		—		—		41,268
Defined benefit plan assets	Other non-current liabilities		—		—		31,202		31,202
Hedge derivatives	Other current assets		—		8		—		8
Total		$	42,576	$	8	$	31,202	$	73,786
Liabilities:
SERP liabilities - employee	Other non-current liabilities	$	41,268	$	—	$	—	$	41,268
Hedge derivatives	Accrued liabilities		—		509		—		509
Contingent consideration	Other non-current liabilities		—		—		16,884		16,884
Total		$	41,268	$	509	$	16,884	$	58,661