Income Taxes (Tables)

12 Months Ended

Sep. 30, 2020

Income Tax Disclosure [Abstract]

Schedule of Income before Income Tax, Domestic and Foreign

The components of income before income taxes from continuing operations are presented below.

	2020		2019		2018
	(in millions)
U.S.	$	89.7	$	78.4	$	97.3
Non-U.S.	4.4		3.7		(1.6)
Income before income taxes	$	94.1	$	82.1	$	95.7

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

The components of income tax (benefit) expense are presented below.

	2020		2019		2018
	(in millions)
Current:
U.S. federal	$	10.9	$	11.6	$	25.7
U.S. state and local	2.7		3.9		7.1
Non-U.S.	1.3		1.5		0.6
	14.9		17.0		33.4
Deferred:
U.S. federal	5.6		2.5		(42.6)
U.S. state and local	2.0		(0.4)		(1.0)
Non-U.S.	(0.4)		(0.8)		0.3
	7.2		1.3		(43.3)
Income tax (benefit) expense	$	22.1	$	18.3	$	(9.9)

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

The reconciliation between income tax expense at the U.S. federal statutory income tax rate and reported income tax expense is presented below.

	2020		2019		2018
	(in millions)
Expense at U.S. federal statutory income tax rates of 21%, 24.5% and 35%, respectively	$	19.8	$	17.2	$	23.4
Adjustments to reconcile to income tax expense:
State income taxes, net of federal benefit	3.3		3.2		4.8
Uncertain tax positions	1.0		(1.4)		—
Nondeductible compensation	0.6		0.3		0.2
Nondeductible expenses, other than compensation	0.4		1.3		0.5
Valuation allowances	0.1		1.3		0.5
Basis difference in foreign investment	0.1		(1.1)		—
Foreign income taxes	—		0.1		—
Domestic production activities deduction	—		—		(2.4)
Federal tax rate change	—		—		(42.5)
Federal transition tax	—		(0.6)		7.5
Excess tax benefits related to stock compensation	(0.5)		(0.3)		(0.6)
Tax credits	(1.8)		(1.8)		(1.7)
Other	(0.9)		0.1		0.4
Income tax expense (benefit)	$	22.1	$	18.3	$	(9.9)

Schedule of Deferred Tax Assets and Liabilities

Deferred income tax balances are presented below.

	September 30,
	2020		2019
	(in millions)
Deferred income tax assets:
Accrued expenses	$	12.2	$	10.0
Lease liabilities	7.3		—
Inventory	4.6		11.7
State net operating losses	3.0		2.8
Federal credit carryovers	3.0		2.8
Stock-based compensation	2.6		2.7
Pension	0.2		1.7
Other	1.1		2.4
	34.0		34.1
Valuation allowance	(2.9)		(2.8)
Total deferred income tax assets, net of valuation allowance	31.1		31.3
Deferred income tax liabilities:
Intangible assets	90.2		95.6
Lease assets	6.6		—
Basis difference in foreign investment	5.0		4.7
Other	25.6		18.9
Total deferred income tax liabilities	127.4		119.2
Net deferred income tax liabilities	$	96.3	$	87.9

Schedule of Unrecognized Tax Benefits Roll Forward

The following table summarizes information concerning our gross unrecognized tax benefits.

	2020		2019
	(in millions)
Balance at beginning of year	$	3.3	$	3.3
Increases related to current year positions	1.5		0.4
Increases related to prior year positions	—		2.0
Decreases due to lapse in statute of limitations	(0.3)		(2.4)
Balance at end of year	$	4.5	$	3.3