Consolidated Statements of Earnings and Comprehensive Income - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Jan. 31, 2018	Jan. 31, 2017	Jan. 31, 2016
Consolidated Statements of Earnings and Comprehensive Income
Product revenues	$ 1,420.2	$ 1,340.9	$ 1,312.5
Service revenues	320.6	153.2	254.9
Total revenues	1,740.8	1,494.1	1,567.4
Cost of sales - products	994.7	942.2	918.1
Cost of sales - services	269.1	183.9	284.3
Total cost of sales	1,263.8	1,126.1	1,202.4
Selling, general and administrative	260.7	238.6	261.6
Goodwill impairment charge	0.0	0.0	310.4
Long-lived asset impairment charge			329.8
Operating earnings (loss)	216.3	129.4	(536.8)
Interest expense	75.8	75.9	77.3
Earnings (loss) before income taxes	140.5	53.5	(614.1)
Income tax expense (benefit)	87.1	5.3	(228.3)
Net earnings (loss)	53.4	48.2	(385.8)
Other comprehensive income (loss):
Foreign currency translation adjustment	59.1	(9.3)	(18.7)
Comprehensive income (loss)	$ 112.5	$ 38.9	$ (404.5)
Net earnings (loss) per share - basic	$ 1.06	$ 0.93	$ (7.39)
Net earnings (loss) per share - diluted	$ 1.04	$ 0.92	$ (7.39)
Weighted average common shares - basic	50.5	51.8	52.2
Weighted average common shares - diluted	51.3	52.2	52.2