Income Taxes (Tables)

12 Months Ended

Jun. 30, 2011

Income Taxes

Income From Continuing Operations Before Income Taxes

	Years Ended June 30,
($ in millions)	2011		2010			2009
Domestic	$	64.9	$	(7.4	)	$	50.0
Foreign		22.9		12.1			13.0
Income before income taxes	$	87.8	$	4.7		$	63.0

Provision (Benefit) For Income Taxes From Continuing Operations

	Years Ended June 30,
($ in millions)	2011			2010			2009
Current:
Federal	$	9.2		$	—		$	(8.5	)
State		5.2			0.7			0.3
Foreign		6.7			2.8			6.9
Total current		21.1			3.5			(1.3	)
Deferred:
Federal		(3.6	)		2.2			16.5
State		(1.3	)		(4.1	)		1.8
Foreign		(0.1	)		1.0			(1.9	)
Total deferred		(5.0	)		(0.9	)		16.4
Total income tax expense	$	16.1		$	2.6		$	15.1

Reconciliation Of Effective Income Tax Rate At U.S. Federal Income Tax Rate

	Years Ended June 30,
(% of pre-tax income)	2011			2010			2009
Statutory federal income tax rate		35.0	%		35.0	%		35.0
State income taxes, net of federal tax benefit		2.9			(13.5	)		(1.1	)
Domestic manufacturing deduction		(3.4	)		(13.7	)		(0.5	)
Research and development tax credit		(3.7	)		(6.0	)		(5.6	)
Foreign tax rate differential		(1.7	)		(10.7	)		1.0
Nontaxable income		(0.6	)		(27.3	)		(2.1	)
Foreign source income		(7.3	)		—			1.0
Increases (decreases) in valuation allowances		(0.2	)		7.9			7.4
Adjustments of prior years' income taxes		(2.6	)		57.8			(3.4	)
Changes in uncertain tax positions, net		(0.4	)		(104.8	)		(5.2	)
Healthcare reform		—			126.9			—
Other, net		0.3			3.7			(2.5	)
Effective income tax rate		18.3	%		55.3	%		24.0	%

Components Of Deferred Tax Assets And Liabilities

	June 30,
($ in millions)	2011			2010
Deferred tax assets:
Pensions	$	75.7		$	125.6
Postretirement provisions		48.0			61.6
Net operating loss carryforwards		20.5			20.2
Environmental		12.8			12.5
Other		19.5			17.8
Gross deferred tax assets		176.5			237.7
Valuation allowances		(17.5	)		(17.9	)
Net deferred tax assets		159.0			219.8
Deferred tax liabilities:
Depreciation		(177.7	)		(170.9	)
Intangible assets		(9.4	)		(7.8	)
Inventories		(5.3	)		(3.4	)
Total deferred tax liabilities		(192.4	)		(182.1	)
Deferred tax (liabilities) assets	$	(33.4	)	$	37.7

Reconciliation Of Beginning And Ending Amount Of Gross Unrecognized Tax Benefits For Uncertain Tax Positions

	Year Ended June 30,
($ in millions)	2011			2010			2009
Balance, beginning	$	3.6		$	14.3		$	19.8
Additions based on tax positions of prior years		0.3			—			1.5
Additions based on tax positions of current years		—			—			1.7
Reductions as a result of a lapse of statute of limitations		(2.0	)		(8.2	)		(8.7	)
Reductions based on tax positions of prior year		—			(1.9	)		—
Settlements		—			(0.6	)		—
Balance, ending	$	1.9		$	3.6		$	14.3