Net Income per Share (Calculation of Numerator and Denominator) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2019	Oct. 31, 2018
Numerator:
Net income attributable to Raven Industries, Inc.	$ 9,934	$ 13,032	$ 31,910	$ 48,844
Denominator:
Weighted average common shares outstanding (in shares)	35,785,460	35,952,688	35,893,714	35,890,638
Weighted average fully vested stock units outstanding (in shares)	128,604	104,649	120,691	98,235
Denominator for basic calculation (in shares)	35,914,064	36,057,337	36,014,405	35,988,873
Weighted average common shares outstanding (in shares)	35,785,460	35,952,688	35,893,714	35,890,638
Weighted average fully vested stock units outstanding (in shares)	128,604	104,649	120,691	98,235
Dilutive impact of stock options and restricted units (in shares)	176,850	414,542	236,222	450,429
Denominator for diluted calculation (in shares)	36,090,914	36,471,879	36,250,627	36,439,302
Net income per share - basic (in dollars per share)	$ 0.28	$ 0.36	$ 0.89	$ 1.36
Net income per share - diluted (in dollars per share)	$ 0.28	$ 0.36	$ 0.88	$ 1.34