Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2019	Jan. 31, 2018	Jan. 31, 2017
OPERATING ACTIVITIES:
Net income	$ 51,873	$ 41,019	$ 20,192
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	13,296	12,743	13,169
Amortization of intangible assets	1,827	2,059	2,267
Long-lived asset impairment loss	0	259	87
Change in fair value of acquisition-related contingent consideration	708	457	36
Loss from equity investments	0	114	72
Gain from sale of equity method investments	(5,785)	0	0
Deferred income taxes	953	(787)	307
Share-based compensation expense	3,951	3,725	3,071
Other operating activities, net	(2,424)	2,053	2,390
Change in operating assets and liabilities	1,553	(16,681)	7,045
Net cash provided by operating activities	65,952	44,961	48,636
INVESTING ACTIVITIES:
Capital expenditures	(14,127)	(12,011)	(4,796)
Payments related to business acquisitions	(7,671)	(13,267)	0
Proceeds from sale or maturities of investments	7,334	250	250
Purchases of investments	(745)	(273)	(750)
Proceeds (disbursements) from sale of assets, settlement of liabilities	832	(333)	1,188
Other investing activities, net	(2,067)	(41)	(534)
Net cash used in investing activities	(16,444)	(25,675)	(4,642)
FINANCING ACTIVITIES:
Dividends paid	(18,753)	(18,685)	(18,839)
Payments for common shares repurchased	0	(10,000)	(7,702)
Payment of acquisition-related contingent liabilities	(1,324)	(408)	(354)
Restricted stock units vested and issued	(840)	(237)	(256)
Payments for stock options exercised net of shares surrendered for employee taxes	(2,637)	(290)	0
Other financing activities, net	(201)	(101)	0
Net cash used in financing activities	(23,755)	(29,721)	(27,151)
Effect of exchange rate changes on cash	(501)	322	23
Net increase (decrease) in cash and cash equivalents	25,252	(10,113)	16,866
Cash and cash equivalents at beginning of year	40,535	50,648	33,782
Cash and cash equivalents at end of year	$ 65,787	$ 40,535	$ 50,648