Derivative Instruments (Tables)

3 Months Ended

Apr. 30, 2020

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Net Investment Hedges in Accumulated Other Comprehensive Income (Loss) [Table Text Block]

The following tables present the effects of the Company's net investment hedges on accumulated other comprehensive income ("AOCI") and earnings for the three months ended April 30, 2020 and 2019:

	Three months ended April 30, 2020
Derivatives designated as net investment hedges:	Amount of gain (loss) recognized in other comprehensive income (loss)		Amount of gain (loss) reclassified from AOCI into income		Amount of gain (loss) recognized in income (amount excluded from effectiveness testing)		Location of gain (loss) recognized in income (amount excluded from effectiveness testing)
(in thousands)
Foreign currency forward contracts	$	24,934	$	—	$	3,316	Interest expense

	Three months ended April 30, 2019
Derivatives designated as net investment hedges:	Amount of gain (loss) recognized in other comprehensive income (loss)		Amount of gain (loss) reclassified from AOCI into income		Amount of gain (loss) recognized in income (amount excluded from effectiveness testing)		Location of gain (loss) recognized in income (amount excluded from effectiveness testing)
(in thousands)
Foreign currency forward contracts	$	2,496	$	—	$	316	Interest expense

Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block]

The following tables present the effects of the Company's cash flow hedges on AOCI and earnings for the three months ended April 30, 2020 and 2019:

	Three months ended April 30, 2020
Derivatives designated as cash flow hedges:	Amount of gain (loss) recognized in other comprehensive income (loss)		Amount of gain (loss) reclassified from AOCI into income			Location of gain (loss) reclassified from AOCI into income
(in thousands)
Cross-currency swap	$	402	$	(90	)	Interest expense
			507			Other expense (income), net
Total	$	402	$	417

	Three months ended April 30, 2019
Derivatives designated as cash flow hedges:	Amount of gain (loss) recognized in other comprehensive income (loss)			Amount of gain (loss) reclassified from AOCI into income			Location of gain (loss) reclassified from AOCI into income
(in thousands)
Cross-currency swap	$	(575	)	$	120		Interest expense
				(484		)	Other expense (income), net
Total	$	(575	)	$	(364	)

Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location [Table Text Block]

The total amount of gains (losses) recognized in earnings on the Company's derivatives not designated as hedges for the three months ended April 30, 2020 and 2019 are as follows:

		Gains (losses) recognized in earnings
		Three months ended April 30,
Derivatives not designated as hedges	Income statement location	2020			2019
(in millions)
Foreign currency forward contracts	Cost of products sold	$	8.2		$	0.9
Foreign currency forward contracts	Other expense (income), net	(14.1		)	(0.3		)
Total		$	(5.9	)	$	0.6