Retirement Plans Retirement Plans (Tables)

12 Months Ended

Sep. 30, 2012

Compensation and Retirement Disclosure [Abstract]

Schedule of Changes in Fair Value of Plan Assets [Table Text Block]

The following table presents changes in, and components of, the Company’s net liability for retirement costs as of and for the years ended September 30, 2012, 2011 and 2010, based on measurement dates of September 30, 2012, 2011 and 2010, respectively:

(in millions)	September 30, 2012			September 30, 2011			September 30, 2010
Changes in benefit obligation:
Benefit obligation, beginning of year	$	39.0		$	37.6		$	35.6
Service cost	—			—			—
Interest cost	1.8			1.9			2.0
Actuarial loss	5.8			2.6			2.8
Benefits paid	(3.8		)	(3.1		)	(2.8		)
Benefit obligation, end of year	42.8			39.0			37.6
Changes in plan assets:
Fair value, beginning of year	24.2			24.2			18.9
Actual return	4.6			(0.4		)	1.7
Employer contribution	1.5			3.5			6.4
Benefits paid	(3.8		)	(3.1		)	(2.8		)
Fair value, end of year	26.5			24.2			24.2
Funded status	$	(16.3	)	$	(14.8	)	$	(13.4	)

Schedule of Accumulated and Projected Benefit Obligations [Table Text Block]

The following table displays the Company’s defined benefit plans that have accumulated benefit obligations and projected benefit obligations in excess of the fair value of plans assets (underfunded ABO) as of September 30, 2012 and 2011:

(in millions)	September 30, 2012		September 30, 2011
Accumulated benefit obligations	$	42.8	$	39.0
Projected benefit obligations	$	42.8	$	39.0
Plan assets	$	26.5	$	24.2

Schedule of Assumptions Used [Table Text Block]

The following weighted-average assumptions were used to determine net periodic pension cost for the years ended September 30, 2012 and 2011:

	Year Ended September 30,
	2012	2011	2010
Weighted average assumptions:
Discount rate	4.80%	5.30%	5.90%
Expected return on assets	7.30%	7.30%	8.25%

The following weighted-average assumptions were used to determine benefit obligations in the accompanying consolidated balance sheets as of September 30, 2012 and 2011:

	September 30, 2012	September 30, 2011
Weighted average assumptions:
Discount rate	3.80%	4.80%
Expected return on assets	7.00%	7.30%

Schedule of Net Benefit Costs [Table Text Block]

The components of net periodic pension cost recognized in the consolidated income statements for the years ended September 30, 2012, 2011 and 2010 were as follows:

	Year Ended September 30,
(in millions)	2012			2011			2010
Interest cost	$	1.8		$	1.9		$	2.0
Less expected return on assets	(1.7		)	(1.7		)	(1.7		)
Net amortization and deferral	0.4			—			—
Net periodic pension cost	$	0.5		$	0.2		$	0.3

Schedule of Defined Benefit Plan Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]

Other changes in plan assets and benefit obligations recognized in other comprehensive income for the years ended September 30, 2012 and 2011 were as follows:

	Year Ended September 30,
(in millions)	2012			2011
Net loss	$	2.9		$	4.6
Amortization of loss	(0.4		)	—
Total recognized in other comprehensive income	2.5			4.6
Total recognized in net periodic benefit cost and other comprehensive income	$	3.0		$	4.8

Schedule of Allocation of Plan Assets [Table Text Block]

The following table sets forth the actual asset allocation as of September 30, 2012 and 2011, and the target asset allocation for the Company’s plan assets:

	September 30, 2012	September 30, 2011	Target Asset Allocation
Equity securities	66%	70%	70%
Debt securities	34%	30%	30%
Total	100%	100%

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

	September 30, 2012
(in millions)	Level 1		Level 2		Level 3		Total
Assets:
Cash equivalents	$	—	$	0.4	$	—	$	0.4
Fixed income:
Government and agencies	—		0.8		—		0.8
Collective funds:
Fixed income	—		7.7		—		7.7
Equities	—		16.6		—		16.6
Real estate	—		1.0		—		1.0
Total	$	—	$	26.5	$	—	$	26.5

	September 30, 2011
(in millions)	Level 1		Level 2		Level 3		Total
Assets:
Cash equivalents	$	—	$	0.5	$	—	$	0.5
Fixed income:
Government and agencies	—		0.9		—		0.9
Mutual funds	0.2		—		—		0.2
Collective funds:
Fixed income	—		6.0		—		6.0
Equities	—		15.5		—		15.5
Real estate	—		1.7		—		1.7
Total	$	0.2	$	24.6	$	—	$	24.8

Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets [Table Text Block]

The following table summarizes the changes in the Company’s Level 3 pension assets for the years ended September 30, 2012 and 2011:

(in millions)	Real Estate
Balance as of September 30, 2010	$	1.3
Sales	(1.3		)
Unrealized gains/(losses), net, relating to instruments still held at year end	—
Balance as of September 30, 2011	$	—
Purchases, sales, issuances and settlements, net	—
Unrealized gains/(losses), net, relating to instruments still held at year end	—
Balance as of September 30, 2012	$	—

Schedule of Expected Benefit Payments [Table Text Block]

The following benefit payments, which reflect expected future service, are expected to be paid:

(in millions)
Year ending September 30,
2013	$	4.3
2014	3.7
2015	3.3
2016	3.2
2017	2.8
2018 - 2022	9.2
	$	26.5