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Derivatives (Tables) | 12 Months Ended
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Sep. 30, 2018
Derivatives [Abstract] |
Schedule Of Interest Rate Swap Derivative Financial Instruments |
﻿ |  |  |  |  |  |  |  |  |  |  |  |
﻿ |  | 2018 |  | 2017
﻿(in millions) |  | Notional Amount |  | Remaining Years |  | Notional Amount |  | Remaining Years
﻿Interest rate swaps - fixed |  | $ | 300.0 |  |  | 1.6 |  | $ | 300.0 |  |  | 2.6
﻿
Schedule Of Commodity Swap Contracts Outstanding |
﻿ |  |  |  |  |  |  |  |  |  |  |  |
﻿ |  | 2018 |  | 2017
﻿(in millions, except notional) |  | Notional |  | Contract Value |  | Notional |  | Contract Value
﻿Brass swap contracts |  |  | 1.0 Tons |  | $ | 5.6 |  |  | 1.3 Tons |  | $ | 6.6
﻿
Schedule Of Fair Value Of Outstanding Derivative Instruments |
﻿ |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |
﻿(in millions) |  | Line Item |  | 2018 |  | 2017
﻿Derivative Assets |  |  |  |  |  |  |  |
﻿Commodity swaps - designated as hedge |  | Other receivables |  | $ | — |  | $ | 0.6
﻿Interest rate swaps - designated as hedge |  | Other receivables |  |  | 1.8 |  |  | —
﻿Interest rate swaps - designated as hedge |  | Deferred charges and other |  |  | 1.0 |  |  | 0.4
﻿Foreign exchange contracts - designated as hedge |  | Other receivables |  |  | 5.5 |  |  | —
﻿Foreign exchange contracts - designated as hedge |  | Deferred charges and other |  |  | 0.2 |  |  | 0.2
﻿Foreign exchange contracts - not designated as hedge |  | Other receivables |  |  | 0.4 |  |  | 0.3
﻿Total Derivative Assets |  |  |  | $ | 8.9 |  | $ | 1.5
﻿Derivative Liabilities |  |  |  |  |  |  |  |
﻿Commodity swaps - designated as hedge |  | Accounts payable |  | $ | 0.4 |  | $ | —
﻿Interest rate swaps - designated as hedge |  | Other current liabilities |  |  | — |  |  | 0.5
﻿Interest rate swaps - designated as hedge |  | Accrued interest |  |  | (0.3) |  |  | 0.2
﻿Foreign exchange contracts - designated as hedge |  | Accounts payable |  |  | 0.3 |  |  | 13.1
﻿Foreign exchange contracts - designated as hedge |  | Other long term liabilities |  |  | 0.2 |  |  | 1.6
﻿Foreign exchange contracts - not designated as hedge |  | Accounts payable |  |  | 0.2 |  |  | 0.1
﻿Total Derivative Liabilities |  |  |  | $ | 0.8 |  | $ | 15.5
﻿
Summary Of Loss Associated With Derivative Contracts Not Designated As Hedges |
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
﻿ |  | Effective Portion |  |
﻿For the year ended |  |  |  |  |  |  |  |  |  | Reclassified to |  | Ineffective portion
﻿September 30, 2018 |  | Gain (Loss) |  | Reclassified to Continuing Operations |  | Discontinued |  | Continuing Operations |  | Discontinued
﻿(in millions) |  | in OCI |  | Line Item |  | Gain (Loss) |  | Operations |  | Line Item |  | Gain (Loss) |  | Operations
﻿Interest rate swaps |  | $ | 4.0 |  | Interest expense |  | $ | — |  | $ | 1.1 |  | Interest expense |  | $ | — |  | $ | 1.2
﻿Commodity swaps |  |  | (4.5) |  | Cost of goods sold |  |  | 0.7 |  |  | 2.4 |  | Cost of goods sold |  |  | — |  |  | —
﻿Net investment hedge |  |  | 6.2 |  | Other non-operating expense |  |  | — |  |  | — |  | Other non-operating expense |  |  | — |  |  | —
﻿Foreign exchange contracts |  |  | (0.1) |  | Net sales |  |  | 0.1 |  |  | — |  | Net sales |  |  | — |  |  | —
﻿Foreign exchange contracts |  |  | 10.8 |  | Cost of goods sold |  |  | (9.3) |  |  | (1.9) |  | Cost of goods sold |  |  | — |  |  | —
﻿Total |  | $ | 16.4 |  |  |  | $ | (8.5) |  | $ | 1.6 |  |  |  | $ | — |  | $ | 1.2
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
﻿ |  | Effective Portion |  |
﻿For the year ended |  |  |  |  |  |  |  |  |  | Reclassified to |  | Ineffective portion
﻿September 30, 2017 |  | Gain (Loss) |  | Reclassified to Continuing Operations |  | Discontinued |  | Continuing Operations |  | Discontinued
﻿(in millions) |  | in OCI |  | Line Item |  | Gain (Loss) |  | Operations |  | Line Item |  | Gain (Loss) |  | Operations
﻿Interest rate swaps |  | $ | (0.7) |  | Interest expense |  | $ | (1.3) |  | $ | — |  | Interest expense |  | $ | — |  | $ | —
﻿Commodity swaps |  |  | 6.2 |  | Cost of goods sold |  |  | 0.7 |  |  | 4.7 |  | Cost of goods sold |  |  | — |  |  | —
﻿Net investment hedge |  |  | (24.0) |  | Other non-operating expense |  |  | — |  |  | — |  | Other non-operating expense |  |  | — |  |  | —
﻿Foreign exchange contracts |  |  | 0.4 |  | Net sales |  |  | (0.1) |  |  | — |  | Net sales |  |  | — |  |  | —
﻿Foreign exchange contracts |  |  | (13.5) |  | Cost of goods sold |  |  | 6.4 |  |  | 0.4 |  | Cost of goods sold |  |  | — |  |  | —
﻿Total |  | $ | (31.6) |  |  |  | $ | 5.7 |  | $ | 5.1 |  |  |  | $ | — |  | $ | —
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
﻿ |  | Effective Portion |  |
﻿For the year ended |  |  |  |  |  |  |  |  |  | Reclassified to |  | Ineffective portion
﻿September 30, 2016 |  | Gain (Loss) |  | Reclassified to Continuing Operations |  | Discontinued |  | Continuing Operations |  | Discontinued
﻿(in millions) |  | in OCI |  | Line Item |  | Gain (Loss) |  | Operations |  | Line Item |  | Gain (Loss) |  | Operations
﻿Interest rate swaps |  | $ | (0.4) |  | Interest expense |  | $ | (1.9) |  | $ | — |  | Interest expense |  | $ | — |  | $ | —
﻿Commodity swaps |  |  | 4.5 |  | Cost of goods sold |  |  | (1.4) |  |  | (2.3) |  | Cost of goods sold |  |  | — |  |  | —
﻿Net investment hedge |  |  | 0.6 |  | Other non-operating expense |  |  | — |  |  | — |  | Other non-operating expense |  |  | — |  |  | —
﻿Foreign exchange contracts |  |  | (0.4) |  | Net sales |  |  | (0.2) |  |  | — |  | Net sales |  |  | — |  |  | —
﻿Foreign exchange contracts |  |  | 6.8 |  | Cost of goods sold |  |  | 6.6 |  |  | 0.3 |  | Cost of goods sold |  |  | — |  |  | —
﻿Total |  | $ | 11.1 |  |  |  | $ | 3.1 |  | $ | (2.0) |  |  |  | $ | — |  | $ | —
﻿
Summary Of Impact Of Derivative Instruments |
﻿ |  |  |  |  |  |  |  |  |  |  |
﻿(in millions) |  | Line Item |  | 2018 |  | 2017 |  | 2016
﻿Foreign exchange contracts |  | Other non-operating (income) expense |  | $ | (2.3) |  | $ | 0.8 |  | $ | 0.1
﻿

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