Income Taxes (Tables)

12 Months Ended

Jan. 31, 2017

Income Taxes

Components of (Loss) Earnings Before Incomes Taxes

	Year Ended						Month Ended
	January 31, 2017		January 31, 2016		December 31, 2014		January 31, 2015
Earnings (loss) before income taxes
United States	$	41.3	$	(624.4)	$	210.9	$	11.3
Foreign		12.2		10.3		32.9		0.1
Earnings (loss) before income taxes	$	53.5	$	(614.1)	$	243.8	$	11.4

Components of Income Tax (Benefit) Expense

	Year Ended						Month Ended
	January 31, 2017		January 31, 2016		December 31, 2014		January 31, 2015
Current:
Federal	$	—	$	0.7	$	75.4	$	3.5
State		0.3		(1.5)		8.5		0.4
Foreign		(1.3)		3.8		29.0		0.8
		(1.0)		3.0		112.9		4.7
Deferred:
Federal		14.4		(213.3)		42.8		—
State		1.3		(17.4)		3.5		—
Foreign		(9.4)		(0.6)		(3.5)		(0.4)
		6.3		(231.3)		42.8		(0.4)
Total income tax expense (benefit)	$	5.3	$	(228.3)	$	155.7	$	4.3

Difference Between Income Tax (Benefit) Expense and Amount Computed by Applying Statutory United States Federal Income Tax Rate to Pre-Tax Earnings

	Year Ended						Month Ended
	January 31, 2017		January 31, 2016		December 31, 2014		January 31, 2015
Statutory federal income tax expense (benefit)	$	18.7	$	(214.9)	$	85.3	$	4.0
U.S. state income taxes		1.5		(17.5)		6.0		0.3
Foreign tax rate differential		0.1		(0.2)		(3.7)		0.8
Change in unrecognized tax benefits		(7.8)		0.4		—		—
Change in valuation allowance on foreign interest loss carryforwards		(1.6)		5.3		—		—
Other, net		1.3		2.0		0.8		(0.8)
Non-taxable/non-deductible items		(6.9)		(3.4)
Exit taxes		—		—		67.3		—
	$	5.3	$	(228.3)	$	155.7	$	4.3

Tax Effects of Temporary Differences and Carryforwards that Give Rise to Deferred Income Tax Assets and Liabilities

	January 31, 2017		January 31, 2016
Deferred tax assets:
Inventory reserves	$	24.8	$	15.4
Accrued liabilities		12.9		15.7
Intangible Assets		44.2		84.2
Net operating loss carryforward		81.2		59.5
Inventory capitalization		14.9		10.7
Other		19.9		5.2
	$	197.9	$	190.7
Deferred tax liabilities:
Intangible assets		(12.8)		(16.1)
Depreciation		(25.3)		(5.5)
		(38.1)		(21.6)
Net deferred tax asset before valuation allowance		159.8		169.1
Valuation allowance		(17.8)		(21.9)
Net deferred tax asset	$	142.0	$	147.2

Reconciliation of Beginning and Ending Amounts of Gross Uncertain Tax Positions

	January 31, 2017		January 31, 2016		January 31, 2015
Unrecognized tax benefit at beginning of period	$	9.0	$	9.4	$	10.1
Additions for current year tax positions		4.6		—		—
Additions for prior year tax positions		1.3		—		—
Decreases for prior year tax positions		(7.6)		—		—
Currency fluctuations		(0.1)		(0.4)		(0.7)
Unrecognized tax benefit at end of period	$	7.2	$	9.0	$	9.4