Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 30, 2016	Apr. 30, 2015
Revenues:
System and software	$ 106,704	$ 155,931
Service and support	120,935	116,212
Total revenues	227,639	272,143
Cost of revenues:
System and software	8,332	13,624
Service and support	32,748	33,569
Amortization of purchased technology	1,785	1,858
Total cost of revenues	42,865	49,051
Gross profit	184,774	223,092
Operating expenses:
Research and development	91,136	89,515
Marketing and selling	84,259	84,951
General and administration	17,535	17,963
Equity in earnings of Frontline	(636)	(870)
Amortization of intangible assets	1,554	2,219
Special charges	2,991	36,977
Total operating expenses	196,839	230,755
Operating loss:	(12,065)	(7,663)
Other income	889	342
Interest expense	(4,138)	(4,694)
Loss before income tax	(15,314)	(12,015)
Income tax benefit	(1,878)	(1,512)
Net loss	(13,436)	(10,503)
Less: Loss attributable to noncontrolling interest	0	(618)
Net loss attributable to Mentor Graphics shareholders	$ (13,436)	$ (9,885)
Net loss per share:
Basic	$ (0.12)	$ (0.08)
Diluted	$ (0.12)	$ (0.08)
Weighted average number of shares outstanding:
Basic	109,085	116,003
Diluted	109,085	116,003
Cash dividends declared per common share	$ 0.055	$ 0.055