Debt (Tables)

9 Months Ended

Oct. 31, 2019

Debt Disclosure [Abstract]

Short-term Debt

(in millions)	October 31, 2019		January 31, 2019		October 31, 2018
Short-term borrowings:
Credit Facilities	$	22.6	$	13.5	$	—
Other credit facilities	67.3		99.9		68.9
	$	89.9	$	113.4	$	68.9

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	91.8		91.8		88.5
	891.8		891.8		888.5
Less: unamortized discounts and debt issuance costs	(8.0)		(8.4)		(8.5)
	$	883.8	$	883.4	$	880.0

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

^bThese agreements require lump sum repayments upon maturity.

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

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