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Pension Benefit Obligations (Tables)

12 Months Ended

Sep. 30, 2018

Pension Benefit Obligations

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

		Fiscal Year Ended
		September 30,						September 30,						September 30,
		2018						2017						2016
		U.S.			Int’l			U.S.			Int’l			U.S.			Int’l
		(in millions)
Change in benefit obligation:
Benefit obligation at beginning of year		$	683.0		$	1,333.5		$	720.0		$	1,406.2		$	718.2		$	1,239.2
Service cost			4.9			1.1			4.3			1.3			4.3			1.0
Participant contributions			0.2			0.4			0.1			0.4			0.1			0.5
Interest cost			20.7			32.0			19.2			28.3			22.0			39.2
Benefits and expenses paid			(37.8)			(53.7)			(37.9)			(48.3)			(37.4)			(41.9)
Actuarial (gain) loss			(38.5)			(87.7)			(22.7)			(98.6)			52.3			377.1
Plan settlements			—			(3.0)			—			—			(32.9)			(0.7)
Plan amendments			0.6			—			—			—			0.2			—
Plan curtailments			—			(0.1)			—			—			(6.8)			—
Foreign currency translation (gain) loss			—			(33.7)			—			44.2			—			(208.2)
Benefit obligation at end of year		$	633.1		$	1,188.8		$	683.0		$	1,333.5		$	720.0		$	1,406.2

Reconciliations of the changes in the fair value of assets

		Fiscal Year Ended
		September 30,						September 30,						September 30,
		2018						2017						2016
		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		$	470.4		$	993.1		$	456.9		$	973.2		$	459.0		$	925.8
Actual return on plan assets			11.1			29.3			39.0			9.6			49.6			215.9
Employer contributions			11.6			27.8			12.3			25.8			18.5			20.2
Participant contributions			0.2			0.4			0.1			0.4			0.1			0.5
Benefits and expenses paid			(37.8)			(53.7)			(37.9)			(48.3)			(37.4)			(41.9)
Plan settlements			—			(3.0)			—			—			(32.9)			(0.7)
Foreign currency translation gain (loss)			—			(28.0)			—			32.4			—			(146.6)
Fair value of plan assets at end of year		$	455.5		$	965.9		$	470.4		$	993.1		$	456.9		$	973.2

Reconciliations of the funded status

		Fiscal Year Ended
		September 30, 2018						September 30, 2017						September 30, 2016
		U.S.			Int’l			U.S.			Int’l			U.S.			Int’l
		(in millions)
Reconciliation of funded status:
Funded status at end of year		$	(177.6)		$	(222.9)		$	(212.6)		$	(340.4)		$	(263.1)		$	(433.0)
Contribution made after measurement date			N/A			N/A			N/A			N/A			N/A			N/A
Net amount recognized at end of year		$	(177.6)		$	(222.9)		$	(212.6)		$	(340.4)		$	(263.1)		$	(433.0)

Amounts recognized in the consolidated balance sheets

		Fiscal Year Ended
		September 30, 2018						September 30, 2017						September 30, 2016
		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		$	2.5		$	19.1		$	2.3		$	13.9		$	2.0		$	5.3
Accrued expenses and other current liabilities			(9.5)			—			(10.1)			—			(9.3)			—
Pension benefit obligations			(170.6)			(242.0)			(204.8)			(354.3)			(255.8)			(438.3)
Net amount recognized in the balance sheet		$	(177.6)		$	(222.9)		$	(212.6)		$	(340.4)		$	(263.1)		$	(433.0)

Reconciliation of amounts in the consolidated statements of stockholders' equity

		Fiscal Year Ended
		September 30, 2018						September 30, 2017						September 30, 2016
		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 (cost) credit		$	(0.8)		$	4.1		$	(0.2)		$	4.4		$	(0.2)		$	4.4
Net loss			(72.5)			(186.4)			(94.6)			(263.7)			(129.6)			(343.3)
Total recognized in accumulated other comprehensive loss		$	(73.3)		$	(182.3)		$	(94.8)		$	(259.3)		$	(129.8)		$	(338.9)

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

		Fiscal Year Ended
		September 30, 2018						September 30, 2017						September 30, 2016
		U.S.			Int’l			U.S.			Int’l			U.S.			Int’l
		(in millions)
Components of net periodic (benefit) cost:
Service costs		$	4.9		$	1.1		$	4.3		$	1.3		$	4.3		$	1.0
Interest cost on projected benefit obligation			20.7			32.0			19.2			28.3			22.0			39.2
Expected return on plan assets			(31.5)			(43.1)			(31.0)			(41.5)			(30.8)			(48.0)
Amortization of prior service credits			0.1			(0.1)			—			(0.2)			—			(0.2)
Amortization of net loss			4.0			8.2			4.3			13.0			4.0			5.4
Curtailment gain recognized			—			—			—			—			(6.8)			—
Settlement (gain) loss recognized			—			0.3			—			—			(0.9)			0.1
Net periodic (benefit) cost		$	(1.8)		$	(1.6)		$	(3.2)		$	0.9		$	(8.2)		$	(2.5)

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

		U.S.			Int’l
Amortization of prior service credit		$	(0.1)		$	0.2
Amortization of net actuarial losses			(3.6)			(4.1)
Total		$	(3.7)		$	(3.9)

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

		Fiscal Year Ended
		September 30,						September 30,						September 30,
		2018						2017						2016
		U.S.			Int’l			U.S.			Int’l			U.S.			Int’l
		(in millions)
Projected benefit obligation		$	610.4		$	1,002.6		$	658.4		$	1,158.3		$	694.8		$	1,220.3
Accumulated benefit obligation			610.4			991.9			658.4			1,145.7			694.8			1,215.7
Fair value of plan assets			451.5			760.7			466.4			804.2			453.2			782.1

Schedule of expected future benefit payments

Year Ending September 30,		U.S.			Int’l
2019		$	42.9		$	59.0
2020			42.6			54.9
2021			41.7			56.6
2022			41.7			58.4
2023			41.3			60.5
2024-2028			204.4			327.9
Total		$	414.6		$	617.3

Schedule of underlying assumptions for the pension plans

		Fiscal Year Ended
		September 30,				September 30,				September 30,
		2018				2017				2016
		U.S.		Int’l		U.S.		Int’l		U.S.		Int’l
Weighted-average assumptions to determine benefit obligation:
Discount rate		4.15	%	2.91	%	3.64	%	2.67	%	3.41	%	2.35	%
Salary increase rate		N/A		2.79	%	N/A		2.76	%	N/A		2.61	%
Weighted-average assumptions to determine net periodic benefit cost:
Discount rate		3.60	%	2.67	%	3.41	%	2.35	%	4.10	%	3.80	%
Salary increase rate		N/A		2.76	%	N/A		2.61	%	N/A		2.65	%
Expected long-term rate of return on plan assets		7.00	%	4.73	%	7.00	%	5.10	%	6.72	%	5.74	%

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				2018				2017
		U.S.		Int’l		U.S.		Int’l		U.S.		Int’l
Asset Category:
Equities		40	%	25	%	40	%	38	%	43	%	27	%
Debt		51		35		50		36		47		38
Cash		1		10		1		7		1		2
Property and other		8		30		9		19		9		33
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, 2018
		Total			Quoted			Significant
		Carrying			Prices in			Other			Significant
		Value as of			Active			Observable			Unobservable			Investments
		September 30,			Markets			Inputs			Inputs			measured at
		2018			(Level 1)			(Level 2)			(Level 3)			NAV
		(in millions)
Cash and cash equivalents		$	71.7		$	37.1		$	34.6		$	—		$	—
Equity and debt securities			153.4			153.4			—			—			—
Investment funds
Diversified and equity funds			152.0			82.4			69.6			—			—
Fixed income funds			55.3			3.6			51.7			—			—
Hedge funds			15.0			—			—			15.0			—
Common collective funds			951.0			—			—			—			951.0
Assets held by insurance company			30.0			—			—			30.0			—
Derivative instruments			(7.0)			—			(7.0)			—			—
Total		$	1,421.4		$	276.5		$	148.9		$	45.0		$	951.0

					Fair Value Measurement as of
					September 30, 2017
		Total			Quoted			Significant
		Carrying			Prices in			Other			Significant
		Value as of			Active			Observable			Unobservable			Investments
		September 30,			Markets			Inputs			Inputs			measured at
		2017			(Level 1)			(Level 2)			(Level 3)			NAV
		(in millions)
Cash and cash equivalents		$	22.9		$	13.1		$	9.8		$	—		$	—
Equity  and debt securities			7.9			6.2			1.7			—			—
Investment funds
Diversified and equity funds			180.0			6.4			173.6			—			—
Fixed income funds			153.7			3.5			150.2			—			—
Hedge funds			14.0			—			—			14.0			—
Common collective funds			1,068.9			—			—			—			1,068.9
Assets held by insurance company			31.3			—			—			31.3			—
Derivative instruments			(15.2)			—			(15.2)			—			—
Total		$	1,463.5		$	29.2		$	320.1		$	45.3		$	1,068.9

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

Actual return

Actual return on

on plan assets,

Change

September 30,

plan assets,

relating to

Transfer

due to

2017

relating to assets

assets sold

Purchases,

into /

exchange

September 30,

Beginning

still held at

during the

sales and

(out of)

rate

2018

balance

reporting date

period

settlements

Level 3

changes

Ending balance

(in millions)

Investment funds

Hedge funds

$

45.3

$

0.4

$

—

$

0.2

$

—

$

(0.9)

$

45.0

Actual return

Actual return on

on plan assets,

Change

September 30,

plan assets,

relating to

Transfer

due to

2016

relating to assets

assets sold

Purchases,

into /

exchange

September 30,

Beginning

still held at

during the

sales and

(out of)

rate

2017

balance

reporting date

period

settlements

Level 3

changes

Ending balance

(in millions)

Investment funds

Hedge funds

$

43.3

$

(0.7)

$

—

$

1.7

$

—

$

1.0

$

45.3

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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