Debt (Tables)

6 Months Ended

Jul. 31, 2020

Debt Disclosure [Abstract]

Short-term Debt

(in millions)	July 31, 2020		January 31, 2020		July 31, 2019
Short-term borrowings:
Credit Facilities	$	516.1	$	13.8	$	23.1
Other credit facilities	75.2		134.1		112.1
	$	591.3	$	147.9	$	135.2

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	95.4			91.9			92.1
	895.4			891.9			892.1
Less: unamortized discounts and debt issuance costs	(7.7		)	(7.8		)	(8.1		)
	$	887.7		$	884.1		$	884.0

^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.