Consolidated Statements of Income and Comprehensive Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Jan. 31, 2014	Jan. 31, 2013	Jan. 31, 2012
Net sales	$ 394,677	$ 406,175	$ 381,511
Cost of sales	275,323	278,502	265,319
Gross profit	119,354	127,673	116,192
Research and development expenses	16,576	13,367	9,724
Selling, general and administrative expenses	38,784	36,614	30,827
Operating income	63,994	77,692	75,641
Other income (expense), net	(371)	(46)	57
Income before income taxes	63,623	77,646	75,698
Income taxes	20,721	25,091	25,063
Net income	42,902	52,555	50,635
Net (loss) income attributable to noncontrolling interest	(1)	10	66
Net income attributable to Raven Industries, Inc.	42,903	52,545	50,569
Net income per common share:
─ Basic (in usd per share)	$ 1.18	$ 1.45	$ 1.40
─ Diluted (in usd per share)	$ 1.17	$ 1.44	$ 1.39
Comprehensive income:
Net income	42,902	52,555	50,635
Other comprehensive income (loss), net of tax:
Foreign currency translation	(424)	(3)	(38)
Postretirement benefits, net of income tax (expense) benefit of ($183), $70 and $432, respectively	340	(130)	(804)
Other comprehensive income (loss), net of tax	(84)	(133)	(842)
Comprehensive income	42,818	52,422	49,793
Comprehensive income (loss) attributable to noncontrolling interest	(1)	10	66
Comprehensive income attributable to Raven Industries, Inc.	$ 42,819	$ 52,412	$ 49,727