Net Income per Share (Calculation of Numerator and Denominator) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2020	Oct. 31, 2019
Numerator:
Net income attributable to Raven Industries, Inc.	$ 8,728	$ 9,934	$ 18,594	$ 31,910
Denominator:
Weighted average common shares outstanding (in shares)	35,849,310	35,785,460	35,828,586	35,893,714
Weighted average fully vested stock units outstanding (in shares)	151,971	128,604	146,377	120,691
Denominator for basic calculation (in shares)	36,001,281	35,914,064	35,974,963	36,014,405
Weighted average common shares outstanding (in shares)	35,849,310	35,785,460	35,828,586	35,893,714
Weighted average fully vested stock units outstanding (in shares)	151,971	128,604	146,377	120,691
Dilutive impact of stock options and restricted units (in shares)	150,097	176,850	142,708	236,222
Denominator for diluted calculation (in shares)	36,151,378	36,090,914	36,117,671	36,250,627
Net income per share - basic (in dollars per share)	$ 0.24	$ 0.28	$ 0.52	$ 0.89
Net income per share - diluted (in dollars per share)	$ 0.24	$ 0.28	$ 0.51	$ 0.88