Earnings Per Share (Tables)

3 Months Ended

Apr. 30, 2018

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The following table summarizes the reconciliation of the numerators and denominators for the basic and diluted EPS computations:

	Three Months Ended April 30,
(in millions)	2018		2017
Net earnings for basic and diluted EPS	$	142.3	$	92.9
Weighted-average shares for basic EPS	124.4		124.6
Incremental shares based upon the assumed exercise of stock options and unvested restricted stock units	0.6		0.7
Weighted-average shares for diluted EPS	125.0		125.3