Income Taxes - (Tables)

12 Months Ended

Jan. 31, 2020

Income Tax Disclosure [Abstract]

Schedule of Income before Income Tax, Domestic and Foreign

Earnings from operations before income taxes consisted of the following:

	Years Ended January 31,
(in millions)	2020		2019		2018
United States	$	520.1	$	584.5	$	597.1
Foreign	170.2		159.0		163.4
	$	690.3	$	743.5	$	760.5

Schedule of Components of Income Tax Expense (Benefit)

Components of the provision for income taxes were as follows:

	Years Ended January 31,
(in millions)	2020			2019			2018
Current:
Federal	$	79.7		$	112.5		$	227.9
State	11.7			18.2			16.7
Foreign	51.2			47.7			49.0
	142.6			178.4			293.6
Deferred:
Federal	10.9			(23.2		)	94.1
State	0.6			(2.0		)	1.1
Foreign	(4.9		)	3.9			1.6
	6.6			(21.3		)	96.8
	$	149.2		$	157.1		$	390.4

Schedule of Effective Income Tax Rate Reconciliation

Reconciliations of the provision for income taxes at the statutory Federal income tax rate to the Company's effective income tax rate were as follows:

	Years Ended January 31,
	2020		2019		2018
Statutory Federal income tax rate	21.0	%	21.0	%	33.8	%
State income taxes, net of Federal benefit	1.4		1.5		1.5
Foreign losses with no tax benefit	—		—		0.2
Effect of Foreign Operations	1.8		1.1		(1.4	)
Net change in uncertain tax positions	1.1		(0.4	)	0.2
Domestic manufacturing deduction	—		—		(1.8	)
Foreign Derived Intangible Income deduction	(4.0	)	(2.6	)	—
Impact of the 2017 Tax Act	—		1.3		19.8
Other	0.3		(0.8	)	(1.0	)
	21.6	%	21.1	%	51.3	%

Schedule of Deferred Tax Assets and Liabilities

Deferred tax assets (liabilities) consisted of the following:

	January 31,
(in millions)	2020			2019
Deferred tax assets:
Operating lease liabilities	$	293.7		$	—
Pension/postretirement benefits	101.9			82.1
Accrued expenses	21.7			31.3
Share-based compensation	5.7			7.9
Depreciation and amortization	54.7			18.1
Foreign and state net operating losses	6.5			7.0
Sale-leasebacks	—			13.1
Inventory	33.3			42.5
Unearned income	7.9			7.2
Other	22.2			28.8
	547.6			238.0
Valuation allowance	(10.9		)	(8.5		)
	536.7			229.5
Deferred tax liabilities:
Operating lease right-of-use assets	(301.2		)	—
Foreign tax credit and other tax liabilities	(12.3		)	(21.5		)
Net deferred tax asset	$	223.2		$	208.0

Summary of Income Tax Contingencies

The following table reconciles the unrecognized tax benefits:

	Years ended January 31,
(in millions)	2020			2019			2018
Unrecognized tax benefits at beginning of year	$	17.3		$	10.1		$	7.2
Gross increases – tax positions in prior period	6.3			8.0			3.2
Gross decreases – tax positions in prior period	(0.7		)	—			(0.9		)
Gross increases – tax positions in current period	1.9			1.3			0.6
Settlements	(5.2		)	—			—
Lapse of statute of limitations	0.1			(2.1		)	—
Unrecognized tax benefits at end of year	$	19.7		$	17.3		$	10.1