Income Taxes (Tables)

12 Months Ended

Sep. 30, 2016

Income Tax Disclosure [Abstract]

Schedule of pre-tax income (loss) from continuing operations

Pre-tax income was taxed in the following jurisdictions (in millions):

	Fiscal Year Ended September 30,
	2016		2015		2014
Domestic	$	277.1	$	316.4	$	373.1
Foreign	29.9		9.7		58.8
	$	307.0	$	326.1	$	431.9

Schedule of components of provision for (benefit from) income taxes

Significant components of the provision for income taxes were as follows (in millions):

	Fiscal Year Ended September 30,
	2016			2015			2014
Allocated to Income Before Equity in Earnings of Unconsolidated Affiliates
Current:
Federal	$	103.6		$	108.8		$	118.8
Foreign	3.2			1.5			14.7
State	2.6			1.1			11.3
Total current	109.4			111.4			144.8
Deferred:
Federal	(18.5		)	(10.8		)	(8.5		)
Foreign	2.0			(1.3		)	(10.5		)
State	(0.5		)	(0.1		)	(0.8		)
Total deferred	(17.0		)	(12.2		)	(19.8		)
	$	92.4		$	99.2		$	125.0
Allocated to Other Comprehensive Income (Loss)
Deferred federal, state and foreign	$	(14.2	)	$	(1.2	)	$	(12.4	)

Schedule of reconciliation of income tax computed at U.S. federal statutory tax rates to income tax expense

The reconciliation of income tax computed at the U.S. federal statutory tax rates to income tax expense was:

	Fiscal Year Ended September 30,
	2016		2015		2014
Effective Rate Reconciliation
U.S. federal tax rate	35.0	%	35.0	%	35.0	%
State income taxes, net	1.3		2.5		2.1
Foreign taxes	(1.7	)	(2.4	)	(1.4	)
Tax audit settlements	0.1		(2.6	)	(2.3	)
Valuation allowance	(0.6	)	0.4		(2.4	)
Domestic tax credits	(1.5	)	(1.3	)	(0.4	)
Manufacturing deduction	(3.0	)	(2.8	)	(2.2	)
Other, net	0.5		1.6		0.6
	30.1	%	30.4	%	29.0	%

Components of deferred income tax assets and liabilities

Deferred income tax assets and liabilities were comprised of the following (in millions):

	September 30,
	2016			2015
Deferred tax assets:
Other long-term liabilities	$	109.9		$	93.7
Losses and credits	36.4			38.8
Accrued warranty	27.0			25.1
Other current liabilities	31.1			23.5
Payroll-related obligations	28.2			18.9
Receivables	6.3			6.1
Other	(0.8		)	0.4
Gross deferred tax assets	238.1			206.5
Less valuation allowance	(8.6		)	(9.8		)
Deferred tax assets, net	229.5			196.7
Deferred tax liabilities:
Intangible assets	167.0			178.3
Property, plant and equipment	47.4			38.2
Inventories	15.5			9.0
Other	2.5			4.7
Deferred tax liabilities	232.4			230.2
Deferred tax liabilities, net of deferred tax assets	$	(2.9	)	$	(33.5	)

Schedule of classification of deferred tax liability in consolidated balance sheets

The net deferred tax liability is classified in the Consolidated Balance Sheets as follows (in millions):

	September 30,
	2016			2015
Long-term net deferred tax asset	$	8.4		$	8.6
Long-term net deferred tax liability	(11.3		)	(42.1		)
Net deferred tax liabilities	$	(2.9	)	$	(33.5	)

Schedule of reconciliation of unrecognized tax benefits

A reconciliation of gross unrecognized tax benefits, excluding interest and penalties, was as follows (in millions):

	Fiscal Year Ended September 30,
	2016			2015			2014
Balance at beginning of year	$	27.0		$	33.5		$	37.0
Additions for tax positions related to current year	7.6			4.6			7.0
Additions for tax positions related to prior years	8.4			2.1			5.2
Reductions for tax positions related to prior years	(1.1		)	—			(2.6		)
Settlements	(3.0		)	(8.6		)	(10.1		)
Lapse of statutes of limitations	(1.5		)	(4.5		)	(3.0		)
Foreign currency translation	—			(0.1		)	—
Balance at end of year	$	37.4		$	27.0		$	33.5

Schedule of tax years open for examination under applicable statutes

As of September 30, 2016, tax years open for examination under applicable statutes were as follows:

Tax Jurisdiction	Open Tax Years
Australia	2009 - 2016
Belgium	2013 - 2016
Brazil	2010 - 2016
Canada	2012 - 2016
China	2012 - 2016
Romania	2010 - 2016
The Netherlands	2011 - 2016
United States (federal)	2014 - 2016
United States (state and local)	2010 - 2016