Accumulated Other Comprehensive (Loss)/Income (Tables)

12 Months Ended

Sep. 30, 2020

Equity [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss)

The following table presents the changes in accumulated other comprehensive (loss)/income (AOCI), net of tax by component:

	Foreign Currency Translation Adjustments		Pension Activity		Zinc Contracts		Foreign Currency Contracts		Interest Rate Swap		Total
Balance at September 30, 2017	$	(93.1)	$	(139.4)	$	—	$	(4.5)	$	(1.8)	(238.8)
OCI before reclassifications	(20.5)		6.7		—		4.8		6.5		(2.5)
Reclassifications to earnings	—		16.2		—		3.0		0.7		19.9
Reclassifications to retained earnings	—		(19.9)		—		—		(0.5)		(20.4)
Balance at September 30, 2018	$	(113.6)	$	(136.4)	$	—	$	3.3	$	4.9	$	(241.8)
OCI before reclassifications	9.0		(44.3)		(0.7)		6.3		(9.0)		(38.7)
Reclassifications to earnings	—		7.4		—		(6.5)		(0.2)		0.7
Activity related to discontinued operations	(19.4)		—		0.9		—		—		(18.5)
Balance at September 30, 2019	$	(124.0)	$	(173.3)	$	0.2	$	3.1	$	(4.3)	$	(298.3)
OCI before reclassifications	(32.7)		0.3		2.9		(4.7)		(5.1)		(39.3)
Reclassifications to earnings	—		6.5		1.2		(2.5)		3.3		8.5
Activity related to discontinued operations	19.3		3.0		(0.9)		—		—		21.4
Balance at September 30, 2020	$	(137.4)	$	(163.5)	$	3.4	$	(4.1)	$	(6.1)	$	(307.7)

Reclassification out of Accumulated Other Comprehensive Income

The following table presents the reclassifications from AOCI:

	For the Year Ended September 30,
Amount Reclassified from AOCI (1)	2020		2019		2018		Affected Line Item in the Consolidated Statements of Earnings
Gains and losses on cash flow hedges
Foreign exchange contracts	$	(3.3)	$	(8.4)	$	3.8	Cost of products sold
Interest rate swaps	4.3		(0.3)		0.9		Interest expense
Zinc contracts	1.6		—		—		Cost of products sold
	2.6		(8.7)		4.7		Loss / (Earnings) before income taxes
	(0.6)		2.0		(1.0)		Income tax (benefit) / provision
	$	2.0	$	(6.7)	$	3.7	Net (earnings) / loss
Amortization of defined benefit pension items
Actuarial losses	$	8.0	$	5.0	$	6.4	(2)
Settlement loss on Canadian pension plan termination	—		—		14.1		(2)
Settlement loss on Ireland pension plan termination	—		3.7		—		(2)
Settlement losses on other plans	0.5		0.4		1.1		(2)
	8.5		9.1		21.6		Loss / (Earnings) before income taxes
	(2.0)		(1.7)		(5.4)		Income tax benefit
	$	6.5	$	7.4	$	16.2	Net (earnings) / loss
Total reclassifications for the period	$	8.5	$	0.7	$	19.9	Net (earnings) / loss

Amounts in parentheses indicate credits to Consolidated Statements of Earnings.

(1) The Company adopted ASU 2017-12, Targeted Improvements to Accounting for Hedging Activities in fiscal 2019 as discussed in Note 2, Summary of Significant Accounting Policies. The fiscal 2020 and 2019 impact is recorded in Cost of products sold and fiscal 2018 is recorded in Other items, net.

(2) These AOCI components are included in the computation of net periodic benefit cost (see Note 14, Pension Plans, for further details) and recorded in Other items, net.