Condensed Consolidated Statements of Earnings (Loss) and Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2016	Oct. 31, 2015
Condensed Consolidated Statements of Earnings (Loss) and Comprehensive Income (Loss)
Product revenues	$ 348.8	$ 306.7	$ 1,039.0	$ 1,006.4
Service revenues	40.2	58.3	109.6	202.8
Total revenues	389.0	365.0	1,148.6	1,209.2
Cost of sales - products	244.2	213.7	728.0	705.7
Cost of sales - services	44.8	65.4	136.0	212.6
Total cost of sales	289.0	279.1	864.0	918.3
Selling, general and administrative	61.4	65.0	181.9	189.7
Goodwill impairment charge		310.4		310.4
Long-lived asset impairment charge		329.8		329.8
Operating earnings (loss)	38.6	(619.3)	102.7	(539.0)
Interest expense	18.8	19.0	56.8	58.2
Earnings (loss) before income taxes	19.8	(638.3)	45.9	(597.2)
Income tax expense (benefit)		(237.5)	10.3	(221.7)
Net earnings (loss)	19.8	(400.8)	35.6	(375.5)
Other comprehensive (loss) income:
Foreign currency translation adjustment	(10.8)	(0.4)	(5.5)	(6.6)
Comprehensive income (loss)	$ 9.0	$ (401.2)	$ 30.1	$ (382.1)
Basic net earnings (loss) per share	$ 0.38	$ (7.68)	$ 0.69	$ (7.19)
Diluted net earnings (loss) per share	$ 0.38	$ (7.68)	$ 0.68	$ (7.19)