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Pension Benefit Obligations (Tables)

12 Months Ended

Sep. 30, 2016

Pension Benefit Obligations

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

		Fiscal Year Ended
		September 30, 2016						September 30, 2015						September 30, 2014
		U.S.			Int'l			U.S.			Int'l			U.S.			Int'l
		(in millions)
Change in benefit obligation:
Benefit obligation at beginning of year		$	718.2		$	1,239.2		$	217.0		$	676.6		$	180.3		$	622.1
Service cost			4.3			1.0			6.8			1.1			—			0.7
Participant contributions			0.1			0.5			0.4			0.5			0.4			0.2
Interest cost			22.0			39.2			28.2			47.1			7.8			27.9
Benefits and expenses paid			(37.4	)		(41.9	)		(33.9	)		(41.0	)		(12.8	)		(23.3	)
Actuarial (gain) loss			52.3			377.1			(41.0	)		10.6			23.2			62.3
Plan settlements			(32.9	)		(0.7	)		(20.1	)		(2.5	)		—			(2.0	)
Plan amendments			0.2			—			—			—			—			—
Plan curtailments			(6.8	)		—			—			—			—			—
Net transfer in/(out)/acquisitions			—			—			560.8			618.6			18.1			—
Foreign currency translation (gain) loss			—			(208.2	)		—			(71.8	)		—			(11.3	)
​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​
Benefit obligation at end of year		$	720.0		$	1,406.2		$	718.2		$	1,239.2		$	217.0		$	676.6
​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​

Reconciliations of the changes in the fair value of assets

		Fiscal Year Ended
		September 30, 2016						September 30, 2015						September 30, 2014
		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		$	459.0		$	925.8		$	139.7		$	532.6		$	119.8		$	489.9
Actual return on plan assets			49.6			215.9			(2.8	)		49.9			14.2			60.4
Employer contributions			18.5			20.2			42.1			24.4			4.9			16.4
Participant contributions			0.1			0.5			0.4			0.5			0.4			0.2
Benefits and expenses paid			(37.4	)		(41.9	)		(33.9	)		(41.0	)		(12.8	)		(23.3	)
Plan settlements			(32.9	)		(0.7	)		(20.1	)		(2.5	)		—			(2.0	)
Net transfer in/(out)/acquisitions			—			—			333.6			415.5			13.2			—
Foreign currency translation (loss) gain			—			(146.6	)		—			(53.6	)		—			(9.0	)
​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​
Fair value of plan assets at end of year		$	456.9		$	973.2		$	459.0		$	925.8		$	139.7		$	532.6
​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​

Reconciliations of the funded status

Fiscal Year Ended

September 30, 2016

September 30, 2015

September 30, 2014

U.S.

Int'l

U.S.

Int'l

U.S.

Int'l

(in millions)

Reconciliation of funded status:

Funded status at end of year

$

(263.1

)

$

(433.0

)

$

(259.2

)

$

(313.4

)

$

(77.3

)

$

(144.0

)

Contribution made after measurement date

N/A

N/A

N/A

N/A

N/A

N/A

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Net amount recognized at end of year

$

(263.1

)

$

(433.0

)

$

(259.2

)

$

(313.4

)

$

(77.3

)

$

(144.0

)

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Amounts recognized in the consolidated balance sheets

		Fiscal Year Ended
		September 30, 2016						September 30, 2015						September 30, 2014
		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		$	2.0		$	5.3		$	1.6		$	1.7		$	—		$	1.1
Accrued expenses and other current liabilities			(9.3	)		—			(10.6	)		—			(1.7	)		—
Pension benefit obligations			(255.8	)		(438.3	)		(250.2	)		(315.1	)		(75.6	)		(145.1	)
​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​
Net amount recognized in the balance sheet		$	(263.1	)	$	(433.0	)	$	(259.2	)	$	(313.4	)	$	(77.3	)	$	(144.0	)
​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​

Reconciliation of amounts in the consolidated statements of stockholders' equity

Fiscal Year Ended

September 30, 2016

September 30, 2015

September 30, 2014

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 (cost)

$

(0.2

)

$

4.4

$

—

$

5.3

$

—

$

5.8

Net (loss)

(129.6

)

(343.3

)

(99.3

)

(183.6

)

(113.0

)

(190.1

)

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Total recognized in accumulated other comprehensive (loss)

$

(129.8

)

$

(338.9

)

$

(99.3

)

$

(178.3

)

$

(113.0

)

$

(184.3

)

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

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

		Fiscal Year Ended
		September 30, 2016						September 30, 2015						September 30, 2014
		U.S.			Int'l			U.S.			Int'l			U.S.			Int'l
		(in millions)
Components of net periodic (benefit) cost:
Service costs		$	4.3		$	1.0		$	6.8		$	1.1		$	—		$	0.7
Interest cost on projected benefit obligation			22.0			39.2			28.2			47.1			7.8			27.9
Expected return on plan assets			(30.8	)		(48.0	)		(29.4	)		(49.4	)		(8.6	)		(26.1	)
Amortization of prior service credits			—			(0.2	)		—			(0.2	)		—			(0.2	)
Amortization of net loss			4.0			5.4			4.3			5.9			4.0			4.9
Curtailment gain recognized			(6.8	)		—			—			—			—			—
Settlement (gain) loss recognized			(0.9	)		0.1			0.6			0.7			—			0.4
​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​
Net periodic (benefit) cost		$	(8.2	)	$	(2.5	)	$	10.5		$	5.2		$	3.2		$	7.6
​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​

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, 2016 that are expected to be recognized as components of net periodic benefit cost during fiscal 2017 are (in millions):

		U.S.			Int'l
Amortization of prior service credit		$	—		$	0.2
Amortization of net actuarial losses			(4.3	)		(13.4	)
​	​	​	​	​	​	​	​
Total		$	(4.3	)	$	(13.2	)
​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​

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

		Fiscal Year Ended
		September 30, 2016						September 30, 2015						September 30, 2014
		U.S.			Int'l			U.S.			Int'l			U.S.			Int'l
		(in millions)
Projected benefit obligation		$	694.8		$	1,220.3		$	692.5		$	1,226.2		$	217.0		$	658.5
Accumulated benefit obligation			694.8			1,215.7			686.5			1,222.0			217.0			656.3
Fair value of plan assets			453.2			782.1			455.6			911.2			139.7			513.4

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
2017		$	40.6		$	38.9
2018			41.3			39.3
2019			40.9			42.1
2020			41.9			42.1
2021			42.0			44.2
2022 - 2026			207.5			240.2
​	​	​	​	​	​	​	​
Total		$	414.2		$	446.8
​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​

Schedule of underlying assumptions for the pension plans

		Fiscal Year Ended
		September 30, 2016						September 30, 2015						September 30, 2014
		U.S.			Int'l			U.S.			Int'l			U.S.			Int'l
Weighted-average assumptions to determine benefit obligation:
Discount rate			3.41	%		2.35	%		4.10	%		3.80	%		4.00	%		3.94	%
Salary increase rate			N/A			2.61	%		3.81	%		2.51	%		N/A			2.38	%
Weighted-average assumptions to determine net periodic benefit cost:
Discount rate			4.10	%		3.80	%		3.88	%		3.92	%		4.40	%		4.44	%
Salary increase rate			N/A			2.65	%		4.50	%		2.65	%		N/A			2.58	%
Expected long-term rate of return on plan assets			6.72	%		5.74	%		6.73	%		6.00	%		7.50	%		5.40	%

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

2016

2015

U.S.

Int'l

U.S.

Int'l

U.S.

Int'l

Asset Category:

Equities

42

%

28

%

42

%

28

%

37

%

27

%

Debt

48

30

49

34

59

30

Cash

1

10

1

7

1

4

Property and other

9

32

8

31

3

39

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

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, 2016
		Total Carrying Value as of September 30, 2016			Quoted Prices in Active Markets (Level 1)			Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)
		(in millions)
Cash and cash equivalents		$	70.6		$	14.3		$	56.3		$	—
Equity securities
Global equity securities			49.4			—			49.4			—
Domestic equity securities			57.1			—			57.1			—
Investment funds
Diversified funds			223.1			—			223.1			—
Equity funds			362.0			5.1			356.9			—
Fixed income funds			548.5			3.7			544.8			—
Hedge funds			62.5			—			48.4			14.1
Assets held by insurance company			32.3			—			32.3			—
Other			24.6			—			24.6			—
​	​	​	​	​	​	​	​	​	​	​	​	​	​
Total		$	1,430.1		$	23.1		$	1,392.9		$	14.1
​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​	​	​	​

					Fair Value Measurement as of September 30, 2015
		Total Carrying Value as of September 30, 2015			Quoted Prices in Active Markets (Level 1)			Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)
		(in millions)
Cash and cash equivalents		$	44.4		$	11.0		$	33.4		$	—
Equity securities
Global equity securities			52.8			—			52.8			—
Domestic equity securities			60.0			—			60.0			—
Investment funds
Diversified funds			287.4			—			287.4			—
Equity funds			309.6			—			309.6			—
Fixed income funds			542.5			—			542.5			—
Hedge funds			53.0			—			39.4			13.6
Assets held by insurance company			35.1			—			35.1			—
​	​	​	​	​	​	​	​	​	​	​	​	​	​
Total		$	1,384.8		$	11.0		$	1,360.2		$	13.6
​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​	​	​	​

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

		September 30, 2015 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, 2016 Ending balance
		(in millions)
Investment funds
Hedge funds		$	13.6		$	0.5		$	—		$	—		$	—		$	—		$	14.1

		September 30, 2014 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, 2015 Ending balance
		(in millions)
Investment funds
Hedge funds		$	13.7		$	(0.1	)	$	—		$	—		$	—		$	—		$	13.6

X

- Definition

Tabular disclosure of net gain (loss), prior service cost (credit), and transition assets (obligations) included in accumulated other comprehensive income associated with a defined benefit pension or other postretirement plan(s) because they have yet to be recognized as components of net periodic benefit cost.

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- Definition

Tabular disclosure of benefits expected to be paid by pension plans and/or other employee benefit plans in each of the next five fiscal years and in the aggregate for the five fiscal years thereafter.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

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X

- Definition

Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

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X

- Definition

Tabular disclosure of net funded status of pension plans and/or other employee benefit plans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

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