Pension Plans (Tables)

12 Months Ended

Sep. 30, 2013

Pension Plans

Reconciliations of the changes in the U.S. and international plans' benefit obligations

	Fiscal Year Ended
	September 30, 2013						September 30, 2012						September 30, 2011
	U.S.			Int'l			U.S.			Int'l			U.S.			Int'l
	(in millions)
Change in benefit obligation:
Benefit obligation at beginning of year	$	192.9		$	574.0		$	171.0		$	504.3		$	169.9		$	441.8
Service cost		—			0.9			—			1.1			—			4.0
Participant contributions		0.4			0.3			0.6			0.3			0.4			1.9
Interest cost		6.6			23.8			7.7			25.6			8.2			27.0
Benefits paid		(11.0	)		(18.8	)		(10.0	)		(25.7	)		(11.3	)		(19.3	)
Actuarial (gain) loss		(8.6	)		49.0			23.6			50.3			5.7			(23.7	)
Curtailment gain		—			—			—			—			—			(8.2	)
Plan settlements		—			(5.7	)		—			(2.4	)		(1.9	)		—
Net transfer in/(out)/acquisitions		—			—			—			—			—			89.5
Foreign currency translation (gain) loss		—			(1.4	)		—			20.5			—			(8.7	)
Benefit obligation at end of year	$	180.3		$	622.1		$	192.9		$	574.0		$	171.0		$	504.3

Reconciliations of the changes in the fair value of assets

	Fiscal Year Ended
	September 30, 2013						September 30, 2012						September 30, 2011
	U.S.			Int'l			U.S.			Int'l			U.S.			Int'l
	(in millions)
Change in plan assets
Fair value of plan assets at beginning of year	$	112.3		$	462.4		$	91.5		$	417.3		$	84.6		$	362.8
Actual return on plan assets		11.3			37.4			17.0			39.0			0.6			10.0
Employer contributions		6.8			16.2			13.2			17.2			19.1			18.6
Participant contributions		0.4			0.3			0.6			0.3			0.4			1.9
Benefits paid		(11.0	)		(18.8	)		(10.0	)		(25.7	)		(11.3	)		(19.3	)
Plan settlements		—			(5.7	)		—			(2.4	)		(1.9	)		—
Net transfer in/(out)/acquisitions		—			—			—			—			—			50.5
Foreign currency translation (loss) gain		—			(1.9	)		—			16.7			—			(7.2	)
Fair value of plan assets at end of year	$	119.8		$	489.9		$	112.3		$	462.4		$	91.5		$	417.3

Reconciliations of the funded status

	Fiscal Year Ended
	September 30, 2013						September 30, 2012						September 30, 2011
	U.S.			Int'l			U.S.			Int'l			U.S.			Int'l
	(in millions)
Reconciliation of funded status:
Funded status at end of year	$	(60.5	)	$	(132.2	)	$	(80.6	)	$	(111.6	)	$	(79.5	)	$	(87.0	)
Contribution made after measurement date		N/A			N/A			N/A			N/A			N/A			N/A
Net amount recognized at end of year	$	(60.5	)	$	(132.2	)	$	(80.6	)	$	(111.6	)	$	(79.5	)	$	(87.0	)

Amounts recognized in the consolidated balance sheets

	Fiscal Year Ended
	September 30, 2013						September 30, 2012						September 30, 2011
	U.S.			Int'l			U.S.			Int'l			U.S.			Int'l
	(in millions)
Amounts recognized in the consolidated balance sheets:
Other non-current assets	$	—		$	0.6		$	—		$	—		$	—		$	0.5
Accrued expenses and other current liabilities		(1.4	)		—			(1.7	)		—			(1.4	)		—
Other long-term liabilities		(59.1	)		(132.8	)		(78.9	)		(111.6	)		(78.1	)		(87.5	)
Net amount recognized in the balance sheet	$	(60.5	)	$	(132.2	)	$	(80.6	)	$	(111.6	)	$	(79.5	)	$	(87.0	)

Reconciliation of amounts in the consolidated statements of stockholders' equity

	Fiscal Year Ended
	September 30, 2013						September 30, 2012						September 30, 2011
	U.S.			Int'l			U.S.			Int'l			U.S.			Int'l
	(in millions)
Reconciliation of amounts in consolidated statements of stockholders' equity:
Prior service credit	$	—		$	6.0		$	—		$	6.2		$	—		$	6.2
Net (loss)		(99.4	)		(170.7	)		(115.1	)		(143.2	)		(103.2	)		(104.3	)
Total recognized in accumulated other comprehensive income (loss)	$	(99.4	)	$	(164.7	)	$	(115.1	)	$	(137.0	)	$	(103.2	)	$	(98.1	)

Components of net periodic cost for the Company's pension plans

	Fiscal Year Ended
	September 30, 2013						September 30, 2012						September 30, 2011
	U.S.			Int'l			U.S.			Int'l			U.S.			Int'l
	(in millions)
Components of net periodic (benefit) cost:
Service costs	$	—		$	1.0		$	—		$	1.1		$	—		$	4.0
Interest cost on projected benefit obligation		6.6			23.8			7.7			25.6			8.2			27.0
Expected return on plan assets		(8.5	)		(22.7	)		(8.4	)		(25.3	)		(8.1	)		(27.8	)
Amortization of prior service costs		—			(0.2	)		—			(0.2	)		—			(0.2	)
Amortization of net loss		4.3			4.0			3.1			2.3			2.6			2.7
Curtailment gain recognized		—			—			—			—			—			(4.2	)
Settlement loss recognized		—			2.6			—			0.5			0.6			—
Net periodic cost	$	2.4		$	8.5		$	2.4		$	4.0		$	3.3		$	1.5

Amounts included in accumulated other comprehensive loss that are expected to be recognized as components of net periodic benefit cost during the next fiscal year

Amounts included in accumulated other comprehensive loss as of September 30, 2013 that are expected to be recognized as components of net periodic benefit cost during fiscal 2014 are (in millions):

	U.S.			Int'l
Amortization of prior service credit	$	—		$	0.2
Amortization of net actuarial losses		(4.0	)		(4.8	)
Total	$	(4.0	)	$	(4.6	)

Additional year-end information for pension plans with accumulated benefit obligations in excess of plan assets

	Fiscal Year Ended
	September 30, 2013				September 30, 2012				September 30, 2011
	U.S.		Int'l		U.S.		Int'l		U.S.		Int'l
	(in millions)
Projected benefit obligation	$	180.3	$	601.7	$	192.9	$	574.0	$	171.0	$	496.1
Accumulated benefit obligation		180.3		599.8		192.9		570.6		171.0		493.7
Fair value of plan assets		119.8		469.0		112.3		462.4		91.5		408.7

Schedule of expected future benefit payments

The table below provides the expected future benefit payments, in millions:

Year Ending September 30,	U.S.		Int'l
2014	$	11.2	$	21.6
2015		13.3		23.2
2016		11.3		23.9
2017		12.7		26.1
2018		11.9		27.8
2019 - 2023		60.7		151.3
Total	$	121.1	$	273.9

Schedule of underlying assumptions for the pension plans

	Fiscal Year Ended
	September 30, 2013						September 30, 2012						September 30, 2011
	U.S.			Int'l			U.S.			Int'l			U.S.			Int'l
Weighted-average assumptions to determine benefit obligation:
Discount rate		4.40	%		4.44	%		3.50	%		4.39	%		4.65	%		5.12	%
Salary increase rate		N/A			2.58	%		N/A			2.36	%		N/A			2.65	%
Weighted-average assumptions to determine net periodic benefit cost:
Discount rate		3.50	%		4.39	%		4.65	%		5.12	%		4.95	%		5.05	%
Salary increase rate		N/A			2.36	%		N/A			2.65	%		N/A			3.27	%
Expected long-term rate of return on plan assets		7.50	%		5.11	%		7.50	%		5.65	%		7.50	%		6.05	%

Summary of the Company's target allocation and pension plan asset allocation, both U.S. and international

							Percentage of Plan Assets as of September 30,
	Target Allocations
							2013						2012
	U.S.			Int'l			U.S.			Int'l			U.S.			Int'l
Asset Category
Equities		50	%		3	%		49	%		28	%		51	%		29	%
Debt		32			45			34			37			33			42
Cash		3			—			1			4			2			3
Property and other		15			52			16			31			14			26
Total		100	%		100	%		100	%		100	%		100	%		100	%

Fair values of the Company's post-retirement benefit plan assets by major asset categories

			Fair Value Measurement as of September 30, 2013
	Total Carrying Value as of September 30, 2013		Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(in millions)
Cash and cash equivalents	$	11.0	$	11.0	$	—	$	—
Investment funds
Diversified funds		108.6		—		108.6		—
Equity funds		192.4		—		192.4		—
Fixed income funds		220.6		—		220.6		—
Hedge funds		25.0		—		12.4		12.6
Assets held by insurance company		46.1		—		46.1		—
Real estate		6.0		—		6.0		—
Total	$	609.7	$	11.0	$	586.1	$	12.6

			Fair Value Measurement as of September 30, 2012
	Total Carrying Value as of September 30, 2012		Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(in millions)
Cash and cash equivalents	$	4.6	$	4.6	$	—	$	—
Investment funds
Diversified funds		77.9		—		77.9		—
Equity funds		181.9		—		181.9		—
Fixed income funds		226.8		—		226.8		—
Hedge funds		40.5		—		29.9		10.6
Assets held by insurance company		37.5		—		37.5		—
Real estate		5.5		—		5.5		—
Total	$	574.7	$	4.6	$	559.5	$	10.6

Changes in the fair value of the Company's post-retirement plan Level 3 assets

	September 30, 2012 Beginning balance		Actual return on plan assets, relating to assets still held at reporting date		Actual return on plan assets, relating to assets sold during the period		Purchases, sales and settlements		Transfer into / (out of) Level 3		Change due to exchange rate changes		September 30, 2013 Ending balance
	(in millions)
Investment funds
Hedge funds	$	10.6	$	2.0	$	—	$	—	$	—	$	—	$	12.6
Total	$	10.6	$	2.0	$	—	$	—	$	—	$	—	$	12.6

	September 30, 2011 Beginning balance		Actual return on plan assets, relating to assets still held at reporting date		Actual return on plan assets, relating to assets sold during the period		Purchases, sales and settlements			Transfer into / (out of) Level 3		Change due to exchange rate changes		September 30, 2012 Ending balance
	(in millions)
Investment funds
Hedge funds	$	10.0	$	0.9	$	—	$	(0.3	)	$	—	$	—	$	10.6
Total	$	10.0	$	0.9	$	—	$	(0.3	)	$	—	$	—	$	10.6