CONDENSED CONSOLIDATED STATEMENTS OF LOSS - USD ($) $ in Millions	3 Months Ended
	Apr. 30, 2020	Apr. 30, 2019
CONDENSED CONSOLIDATED STATEMENTS OF (LOSS) EARNINGS
Service revenues	$ 83.0	$ 145.8
Cost of sales	92.2	118.9
Selling, general and administrative	17.4	23.8
Research and development costs	0.3	0.7
Goodwill and long-lived asset impairment charge	208.7
Operating (loss) earnings	(235.6)	2.4
Interest expense, net	7.4	7.1
Loss before income taxes	(243.0)	(4.7)
Income tax expense	0.1	0.3
Net loss	$ (243.1)	$ (5.0)
Net loss per share - basic	$ (10.52)	$ (0.24)
Net loss per share - diluted	$ (10.52)	$ (0.24)