CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (PARENTHETICAL) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2022	Jan. 31, 2021		Jan. 31, 2020
Dividends per share	$ 0.85	$ 0.10		$ 0.80
Net unrealized gain (loss) on investments, tax provision (benefit)	$ 16	$ 0		$ 2
Net change in effective portion of hedging contracts, tax provision	38
Amortization of prior service cost, tax provision	16	6		15
Net actuarial loss arising during period, tax benefit	(249)	$ 98		15
Dividends declared date		Jan. 11, 2021
Dividends date of record		Jan. 21, 2021
Dividends payable date		Feb. 05, 2021
Stock-based compensation expense	$ 4,952	$ 5,431	[1]	$ 6,373
Corporate Initiatives
Stock-based compensation expense		$ 400
Common Stock Class Undefined
Common Stock, Voting Rights		Each share of common stock is entitled to one vote per share on all matters submitted to a vote of the shareholders.
Class A Common Stock
Common Stock, Voting Rights		Each share of class A common stock is entitled to 10 votes per share on all matters submitted to a vote of the shareholders.
Common stock, Conversion basis		Each share of class A common stock is entitled to 10 votes per share on all matters submitted to a vote of the shareholders. Each holder of class A common stock is entitled to convert, at any time, any and all of such shares into the same number of shares of common stock. Each share of class A common stock is converted automatically into common stock in the event that the beneficial or record ownership of such shares of class A common stock is transferred to any person, except to certain family members or affiliated persons deemed “permitted transferees” pursuant to the Company’s Restated Certificate of Incorporation as amended.

[1] Includes $0.4 million related to the Restructuring Plan of the corporate initiatives.