Consolidated and Combined Statements of Earnings and Comprehensive Income - USD ($) shares in Millions, $ in Millions	1 Months Ended	12 Months Ended
	Jan. 31, 2015	Jan. 31, 2017	Jan. 31, 2016	Dec. 31, 2014
Consolidated and Combined Statements of Earnings and Comprehensive Income
Product revenues	$ 93.1	$ 1,340.9	$ 1,312.5	$ 1,310.2
Service revenues	39.9	153.2	254.9	385.5
Total revenues	133.0	1,494.1	1,567.4	1,695.7
Cost of sales - products	67.1	942.2	918.1	921.7
Cost of sales - services	28.5	183.9	284.3	273.2
Total cost of sales	95.6	1,126.1	1,202.4	1,194.9
Selling, general and administrative	19.7	238.6	261.6	254.0
Goodwill impairment charge	0.0	0.0	310.4	0.0
Long-lived asset impairment charge			329.8
Operating earnings (loss)	17.7	129.4	(536.8)	246.8
Interest expense	6.3	75.9	77.3	3.0
Earnings (loss) before income taxes	11.4	53.5	(614.1)	243.8
Income tax expense (benefit)	4.3	5.3	(228.3)	155.7
Net earnings (loss)	7.1	48.2	(385.8)	88.1
Other comprehensive (loss):
Foreign currency translation adjustment	(27.0)	(9.3)	(18.7)	(76.7)
Comprehensive income (loss)	$ (19.9)	$ 38.9	$ (404.5)	$ 11.4
Basic net earnings (loss) per share	$ 0.14	$ 0.93	$ (7.39)	$ 1.69
Diluted net earnings (loss) per share	$ 0.14	$ 0.92	$ (7.39)	$ 1.68
Weighted average common shares - basic	52.2	51.8	52.2	52.2
Weighted average common shares - diluted	52.3	52.2	52.2	52.3