Debt (Tables)

3 Months Ended

Apr. 30, 2019

Debt Disclosure [Abstract]

Short-term Debt

(in millions)	April 30, 2019		January 31, 2019		April 30, 2018
Short-term borrowings:
Credit Facilities	$	30.1	$	13.5	$	26.1
Other credit facilities	112.0		99.9		70.6
	$	142.1	$	113.4	$	96.7

Long-term Debt

Long-term debt:
Unsecured Senior Notes:
2012 4.40% Series B Senior Notes, due July 2042 a	$	250.0		$	250.0		$	250.0
2014 3.80% Senior Notes, due October 2024 b, c	250.0			250.0			250.0
2014 4.90% Senior Notes, due October 2044 b, c	300.0			300.0			300.0
2016 0.78% Senior Notes, due August 2026 b, d	89.5			91.8			91.7
	889.5			891.8			891.7
Less: unamortized discounts and debt issuance costs	(8.3		)	(8.4		)	(8.8		)
	$	881.2		$	883.4		$	882.9

^a  The agreements governing these Senior Notes require repayments of $50.0 million in aggregate every five years beginning in July 2022.

^b  These agreements require lump sum repayments upon maturity.

^c  These Senior Notes were issued at a discount, which will be amortized until the debt maturity.

^d  These Senior Notes were issued at par, ¥10.0 billion.