Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2021	Jan. 31, 2020	Jan. 31, 2019
OPERATING ACTIVITIES:
Net income	$ 18,778	$ 34,613	$ 51,873
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	14,893	13,770	13,296
Amortization of intangible assets	2,528	2,471	1,827
Change in fair value of acquisition-related contingent consideration	(437)	412	708
Gain from sale of equity method investments	0	0	(5,785)
Deferred income taxes	(4,320)	1,506	953
Share-based compensation expense	6,066	4,971	3,951
Other operating activities, net	(295)	(335)	(2,424)
Change in operating assets and liabilities	18,259	(2,536)	1,553
Net cash provided by operating activities	55,472	54,872	65,952
INVESTING ACTIVITIES:
Capital expenditures	(16,147)	(8,560)	(14,127)
Payments related to business acquisitions, net of cash acquired	0	(53,317)	(7,671)
Proceeds from sale or maturities of investments	587	1,170	7,334
Purchases of investments	(289)	(1,118)	(745)
Proceeds from sale of assets	251	3,459	832
Other investing activities, net	(315)	(243)	(2,067)
Net cash used in investing activities	(15,913)	(58,609)	(16,444)
FINANCING ACTIVITIES:
Dividends paid	(9,318)	(18,650)	(18,753)
Payments for common shares repurchased	0	(10,781)	0
Proceeds from debt	51,685	33,593	0
Repayments of debt	(50,000)	(39,762)	0
Payments for redeemable noncontrolling interest	(17,853)	0	0
Payment of acquisition-related contingent liabilities	0	(1,306)	(1,324)
Restricted stock units vested and issued, net of taxes	(799)	(2,358)	(840)
Employee stock option exercises net of tax benefit	(405)	(1,028)	(2,637)
Other financing activities, net	(441)	(595)	(201)
Net cash used in financing activities	(27,131)	(40,887)	(23,755)
Effect of exchange rate changes on cash	(197)	(456)	(501)
Net increase (decrease) in cash and cash equivalents	12,231	(45,080)	25,252
Cash and cash equivalents at beginning of year	20,707	65,787	40,535
Cash and cash equivalents at end of year	$ 32,938	$ 20,707	$ 65,787