Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2020	Jan. 31, 2019	Jan. 31, 2018
OPERATING ACTIVITIES:
Net income	$ 34,613	$ 51,873	$ 41,019
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	13,770	13,296	12,743
Amortization of intangible assets	2,471	1,827	2,059
Long-lived asset impairment loss	0	0	259
Change in fair value of acquisition-related contingent consideration	412	708	457
Loss from equity investments	0	0	114
Gain from sale of equity method investments	0	(5,785)	0
Deferred income taxes	1,506	953	(787)
Share-based compensation expense	4,971	3,951	3,725
Other operating activities, net	(335)	(2,424)	2,053
Change in operating assets and liabilities	(2,536)	1,553	(16,681)
Net cash provided by operating activities	54,872	65,952	44,961
INVESTING ACTIVITIES:
Capital expenditures	(8,560)	(14,127)	(12,011)
Payments related to business acquisitions, net of cash acquired	(53,317)	(7,671)	(13,267)
Proceeds from sale or maturities of investments	1,170	7,334	250
Purchases of investments	(1,118)	(745)	(273)
Proceeds (disbursements) from sale of assets, settlement of liabilities	3,459	832	(333)
Other investing activities, net	(243)	(2,067)	(41)
Net cash used in investing activities	(58,609)	(16,444)	(25,675)
FINANCING ACTIVITIES:
Dividends paid	(18,650)	(18,753)	(18,685)
Payments for common shares repurchased	(10,781)	0	(10,000)
Proceeds from Borrowing	33,593	0	0
Payment of debt	39,762	0	0
Payment of acquisition-related contingent liabilities	1,306	1,324	408
Restricted stock units vested and issued	(2,358)	(840)	(237)
Payments for stock options exercised net of shares surrendered for employee taxes	(1,028)	(2,637)	(290)
Other financing activities, net	(595)	(201)	(101)
Net cash used in financing activities	(40,887)	(23,755)	(29,721)
Effect of exchange rate changes on cash	(456)	(501)	322
Net increase (decrease) in cash and cash equivalents	(45,080)	25,252	(10,113)
Cash and cash equivalents at beginning of year	65,787	40,535	50,648
Cash and cash equivalents at end of year	$ 20,707	$ 65,787	$ 40,535