Debt (Tables)

6 Months Ended

Jul. 31, 2016

Debt Disclosure [Abstract]

Schedule of Short-term Debt

(in millions)	July 31, 2016		January 31, 2016		July 31, 2015
Short-term borrowings:
Credit Facilities	$	73.8	$	76.6	$	62.4
Other credit facilities	133.3		145.0		134.4
	$	207.1	$	221.6	$	196.8

Schedule of Long-term Debt Instruments

Long-term debt:
Unsecured Senior Notes:
2010 1.72% Notes, due September 2016 a, b	$	94.8	$	84.2	$	80.5
2012 4.40% Series B Notes, due July 2042 c	250.0		250.0		250.0
2014 3.80% Senior Notes, due October 2024 a, d	250.0		250.0		250.0
2014 4.90% Senior Notes, due October 2044 a, d	300.0		300.0		300.0
	894.8		884.2		880.5
Less current portion of long-term debt	94.8		84.2		—
Less unamortized discounts and debt issuance costs	9.5		10.0		10.4
	$	790.5	$	790.0	$	870.1

^a  These agreements require lump sum repayments upon maturity.

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

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

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