Income Taxes (Tables)

12 Months Ended

Sep. 30, 2011

Income Tax Disclosure [Abstract]

Reconciliation of provision (benefit) for income taxes

The provision (benefit) for income taxes consisted of the following:

	Year Ended September 30,
	2011			2010			2009
Current:
Federal	$	55.6			53.7			63.9
State		7.1			6.9			8.2
Foreign		—			—			(0.2	)
		62.7			60.6			71.9
Deferred:
Federal		(63.0	)		(11.0	)		(13.6	)
State		(5.0	)		(0.9	)		(1.1	)
Foreign		(1.0	)		0.8			(1.4	)
		(69.0	)		(11.1	)		(16.1	)
Income tax (benefit) provision	$	(6.3	)		49.5			55.8

Reconciliation of income tax (benefit) provision

A reconciliation of income tax (benefit) provision with amounts computed at the statutory federal rate follows:

	Year Ended September 30,
	2011			2010			2009
	As Restated
Computed tax at federal statutory rate (35%)	$	(150.7	)	$	49.5		$	54.9
Non-deductible goodwill impairment loss		149.7			—			—
Domestic production activities deduction		(5.5	)		(3.4	)		(4.1	)
State income taxes, net of effect on federal tax		(0.1	)		3.6			4.4
Other, net (none in excess of 5% of computed tax)		0.3			(0.2	)		0.6
	$	(6.3	)	$	49.5		$	55.8

Deferred tax assets (liabilities)

Deferred tax assets (liabilities) were as follows:

	September 30, 2011								September 30, 2010
	Assets		Liabilities			Net			Assets		Liabilities			Net
Current:
Accrued liabilities	$	3.4	$	—		$	3.4		$	3.5	$	—		$	3.5
Other items	0.4		—			0.4			0.7		(0.7		)	—
	3.8		—			3.8			4.2		(0.7		)	3.5
Noncurrent:
Property	—		(103.7		)	(103.7		)	—		(112.2		)	(112.2		)
Intangible assets	—		(282.7		)	(282.7		)	—		(339.9		)	(339.9		)
Pension and other postretirement benefits	38.5		—			38.5			32.8		—			32.8
Stock-based compensation awards	1.6		—			1.6			1.3		—			1.3
Foreign operating loss carryforwards	11.8		—			11.8			12.4		—			12.4
Other items	1.7		—			1.7			0.7		—			0.7
	53.6		(386.4		)	(332.8		)	47.2		(452.1		)	(404.9		)
Total deferred taxes	$	57.4	$	(386.4	)	$	(329.0	)	$	51.4	$	(452.8	)	$	(401.4	)