New Accounting Standards (Tables)

3 Months Ended

Apr. 30, 2018

New Accounting Pronouncements or Change in Accounting Principle [Line Items]

Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block]

	April 30, 2018
(in millions)	As Reported		Balances Without Adoption of ASC 606		Effect of Adoption Increase/(Decrease)
Assets
Accounts receivable, net	$	227.7	$	241.0	$	(13.3	)
Prepaid expenses and other current assets	223.0		209.7		13.3