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Pension Plans (Tables)

12 Months Ended

Sep. 30, 2014

Pension Plans

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

		Fiscal Year Ended
		September 30, 2014						September 30, 2013						September 30, 2012
		U.S.			Int'l			U.S.			Int'l			U.S.			Int'l
		(in millions)
Change in benefit obligation:
Benefit obligation at beginning of year		$	180.3		$	622.1		$	192.9		$	574.0		$	171.0		$	504.3
Service cost			—			0.7			—			0.9			—			1.1
Participant contributions			0.4			0.2			0.4			0.3			0.6			0.3
Interest cost			7.8			27.9			6.6			23.8			7.7			25.6
Benefits paid			(12.8	)		(23.3	)		(11.0	)		(18.8	)		(10.0	)		(25.7	)
Actuarial (gain) loss			23.2			62.3			(8.6	)		49.0			23.6			50.3
Plan settlements			—			(2.0	)		—			(5.7	)		—			(2.4	)
Net transfer in/(out)/acquisitions			18.1			—			—			—			—			—
Foreign currency translation (gain) loss			—			(11.3	)		—			(1.4	)		—			20.5
Benefit obligation at end of year		$	217.0		$	676.6		$	180.3		$	622.1		$	192.9		$	574.0

Reconciliations of the changes in the fair value of assets

		Fiscal Year Ended
		September 30, 2014						September 30, 2013						September 30, 2012
		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		$	119.8		$	489.9		$	112.3		$	462.4		$	91.5		$	417.3
Actual return on plan assets			14.2			60.4			11.3			37.4			17.0			39.0
Employer contributions			4.9			16.4			6.8			16.2			13.2			17.2
Participant contributions			0.4			0.2			0.4			0.3			0.6			0.3
Benefits paid			(12.8	)		(23.3	)		(11.0	)		(18.8	)		(10.0	)		(25.7	)
Plan settlements			—			(2.0	)		—			(5.7	)		—			(2.4	)
Net transfer in/(out)/acquisitions			13.2			—			—			—			—			—
Foreign currency translation (loss) gain			—			(9.0	)		—			(1.9	)		—			16.7
Fair value of plan assets at end of year		$	139.7		$	532.6		$	119.8		$	489.9		$	112.3		$	462.4

Reconciliations of the funded status

		Fiscal Year Ended
		September 30, 2014						September 30, 2013						September 30, 2012
		U.S.			Int'l			U.S.			Int'l			U.S.			Int'l
		(in millions)
Reconciliation of funded status:
Funded status at end of year		$	(77.3	)	$	(144.0	)	$	(60.5	)	$	(132.2	)	$	(80.6	)	$	(111.6	)
Contribution made after measurement date			N/A			N/A			N/A			N/A			N/A			N/A
Net amount recognized at end of year		$	(77.3	)	$	(144.0	)	$	(60.5	)	$	(132.2	)	$	(80.6	)	$	(111.6	)

Amounts recognized in the consolidated balance sheets

		Fiscal Year Ended
		September 30, 2014						September 30, 2013						September 30, 2012
		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		$	—		$	1.1		$	—		$	0.6		$	—		$	—
Accrued expenses and other current liabilities			(1.7	)		—			(1.4	)		—			(1.7	)		—
Other long-term liabilities			(75.6	)		(145.1	)		(59.1	)		(132.8	)		(78.9	)		(111.6	)
Net amount recognized in the balance sheet		$	(77.3	)	$	(144.0	)	$	(60.5	)	$	(132.2	)	$	(80.6	)	$	(111.6	)

Reconciliation of amounts in the consolidated statements of stockholders' equity

		Fiscal Year Ended
		September 30, 2014						September 30, 2013						September 30, 2012
		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		$	—		$	5.8		$	—		$	6.0		$	—		$	6.2
Net (loss)			(113.0	)		(190.1	)		(99.4	)		(170.7	)		(115.1	)		(143.2	)
Total recognized in accumulated other comprehensive (loss)		$	(113.0	)	$	(184.3	)	$	(99.4	)	$	(164.7	)	$	(115.1	)	$	(137.0	)

Components of net periodic cost for the Company's pension and post-retirement plans

		Fiscal Year Ended
		September 30, 2014						September 30, 2013						September 30, 2012
		U.S.			Int'l			U.S.			Int'l			U.S.			Int'l
		(in millions)
Components of net periodic (benefit) cost:
Service costs		$	—		$	0.7		$	—		$	1.0		$	—		$	1.1
Interest cost on projected benefit obligation			7.8			27.9			6.6			23.8			7.7			25.6
Expected return on plan assets			(8.6	)		(26.1	)		(8.5	)		(22.7	)		(8.4	)		(25.3	)
Amortization of prior service costs			—			(0.2	)		—			(0.2	)		—			(0.2	)
Amortization of net loss			4.0			4.9			4.3			4.0			3.1			2.3
Settlement loss recognized			—			0.4			—			2.6			—			0.5
Net periodic (benefit) cost		$	3.2		$	7.6		$	2.4		$	8.5		$	2.4		$	4.0

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, 2014 that are expected to be recognized as components of net periodic benefit cost during fiscal 2015 are (in millions):

		U.S.			Int'l
Amortization of prior service cost		$	—		$	0.2
Amortization of net actuarial losses			(4.3	)		(6.2	)
Total		$	(4.3	)	$	(6.0	)

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

		Fiscal Year Ended
		September 30, 2014						September 30, 2013						September 30, 2012
		U.S.			Int'l			U.S.			Int'l			U.S.			Int'l
		(in millions)
Projected benefit obligation		$	217.0		$	658.5		$	180.3		$	601.7		$	192.9		$	574.0
Accumulated benefit obligation			217.0			656.3			180.3			599.8			192.9			570.6
Fair value of plan assets			139.7			513.4			119.8			469.0			112.3			462.4

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
2015		$	12.2		$	26.5
2016			14.9			21.9
2017			13.4			26.3
2018			12.9			29.1
2019			13.4			25.8
2020 - 2024			68.3			153.3
Total		$	135.1		$	282.9

Schedule of underlying assumptions for the pension plans

		Fiscal Year Ended
		September 30, 2014						September 30, 2013						September 30, 2012
		U.S.			Int'l			U.S.			Int'l			U.S.			Int'l
Weighted-average assumptions to determine benefit obligation:
Discount rate			4.00	%		3.94	%		4.40	%		4.44	%		3.50	%		4.39	%
Salary increase rate			N/A			2.38	%		N/A			2.58	%		N/A			2.36	%
Weighted-average assumptions to determine net periodic benefit cost:
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	%
Expected long-term rate of return on plan assets			7.50	%		5.40	%		7.50	%		5.11	%		7.50	%		5.65	%

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
								2014						2013
		U.S.			Int'l			U.S.			Int'l			U.S.			Int'l
Asset Category
Equities			45	%		1	%		58	%		28	%		49	%		28	%
Debt			42			47			31			33			34			37
Cash			3			1			1			3			1			4
Property and other			10			51			10			36			16			31
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, 2014
		Total Carrying Value as of September 30, 2014			Quoted Prices in Active Markets (Level 1)			Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)
		(in millions)
Cash and cash equivalents		$	7.9		$	3.4		$	4.5		$	—
Investment funds
Diversified funds			159.3			—			159.3			—
Equity funds			220.3			—			220.3			—
Fixed income funds			219.3			—			219.3			—
Hedge funds			27.9			—			14.2			13.7
Assets held by insurance company			37.6			—			37.6			—
Total		$	672.3		$	3.4		$	655.2		$	13.7

					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

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

		September 30, 2013 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, 2014 Ending balance
		(in millions)
Investment funds
Hedge funds		$	12.6		$	1.1		$	—		$	—		$	—		$	—		$	13.7
Total		$	12.6		$	1.1		$	—		$	—		$	—		$	—		$	13.7

		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

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