Net Income per Share (Calculation of Numerator and Denominator) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2020	Jul. 31, 2019	Jul. 31, 2020	Jul. 31, 2019
Numerator:
Net income attributable to Raven Industries, Inc.	$ 5,819	$ 8,766	$ 9,866	$ 21,976
Denominator:
Weighted average common shares outstanding (in shares)	35,838,509	35,933,618	35,818,224	35,947,842
Weighted average fully vested stock units outstanding (in shares)	157,488	128,128	143,580	116,734
Denominator for basic calculation (in shares)	35,995,997	36,061,746	35,961,804	36,064,576
Weighted average common shares outstanding (in shares)	35,838,509	35,933,618	35,818,224	35,947,842
Weighted average fully vested stock units outstanding (in shares)	157,488	128,128	143,580	116,734
Dilutive impact of stock options and restricted units (in shares)	85,991	184,873	117,485	260,323
Denominator for diluted calculation (in shares)	36,081,988	36,246,619	36,079,289	36,324,899
Net income per share - basic (in dollars per share)	$ 0.16	$ 0.24	$ 0.27	$ 0.61
Net income per share - diluted (in dollars per share)	$ 0.16	$ 0.24	$ 0.27	$ 0.60