XML 27 R14.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Supplemental Balance Sheet | 12 Months Ended
--- | ---
Sep. 30, 2022
Statement of Financial Position [Abstract] |
Supplemental Balance Sheet - Schedules of Assets | Selected supplemental asset information is presented below.
| September 30,
| 2022 |  | 2021
| (in millions)
Inventories, net: |  |  |
Purchased components and raw materials | $ | 181.8 |  |  | $ | 106.6 |
Work in process | 56.8 |  |  | 33.5 |
Finished goods | 40.1 |  |  | 44.6 |
Total inventories, net | $ | 278.7 |  |  | $ | 184.7 |
Other current assets: |  |  |
Prepaid expenses | $ | 14.6 |  |  | $ | 12.8 |
Non-trade receivables | 1.6 |  |  | 10.7 |
Income taxes | 0.8 |  |  | 0.2 |
Maintenance and repair supplies and tooling | 2.8 |  |  | 2.9 |
Workers’ compensation reimbursement receivable | 2.6 |  |  | 0.8 |
Other current assets | 4.4 |  |  | 1.9 |
Total other current assets | $ | 26.8 |  |  | $ | 29.3 |
Property, plant and equipment, net: |  |  |
Land | $ | 5.7 |  |  | $ | 6.1 |
Buildings | 87.6 |  |  | 84.6 |
Machinery and equipment | 456.0 |  |  | 433.3 |
Construction in progress | 104.7 |  |  | 83.7 |
Total property, plant and equipment | $ | 654.0 |  |  | $ | 607.7 |
Accumulated depreciation | (352.4) |  |  | (324.3) |
Total property, plant and equipment, net | $ | 301.6 |  |  | $ | 283.4 |
Other noncurrent assets: |  |  |
Operating lease right-of-use assets | $ | 26.0 |  |  | $ | 27.1 |
Maintenance and repair supplies and tooling | 20.4 |  |  | 19.3 |
Workers’ compensation reimbursement receivable | 3.6 |  |  | 2.7 |
Note receivable | 1.7 |  |  | 1.8 |
Pension assets | 0.6 |  |  | 16.8 |
Deferred financing fees | 1.0 |  |  | 1.3 |
Other noncurrent assets | 3.4 |  |  | 4.3 |
Total noncurrent assets | $ | 56.7 |  |  | $ | 73.3 |
Supplemental Balance Sheet - Schedule of Liabilities | Selected supplemental liability information is presented below.
| September 30,
| 2022 |  | 2021
| (in millions)
Other current liabilities: |  |  |
Compensation and benefits | $ | 40.2 |  |  | $ | 44.6 |
Customer rebates | 16.2 |  |  | 19.6 |
Interest payable | 5.3 |  |  | 6.2 |
Warranty accrual | 6.5 |  |  | 6.7 |
Deferred revenues | 8.1 |  |  | 5.4 |
Refund liability | 4.2 |  |  | 6.0 |
Operating lease liabilities | 4.4 |  |  | 4.0 |
Taxes other than income taxes | 4.4 |  |  | 4.4 |
Restructuring liabilities | 3.3 |  |  | 3.1 |
Environmental liabilities | 0.7 |  |  | 1.2 |
Income taxes payable | 7.5 |  |  | 8.5 |
Workers’ compensation accrual | 4.6 |  |  | 2.6 |
CARES Act payroll tax liabilities | 4.4 |  |  | 3.6 |
Other current liabilities | 7.6 |  |  | 11.2 |
Total current liabilities | $ | 117.4 |  |  | $ | 127.1 |
Other noncurrent liabilities: |  |  |
Operating lease liabilities | $ | 22.4 |  |  | $ | 24.6 |
Warranty accrual | 4.2 |  |  | 3.0 |
Transition tax liability | 4.1 |  |  | 4.7 |
Uncertain tax position liability | 4.7 |  |  | 4.8 |
Workers' compensation accrual | 6.5 |  |  | 7.9 |
NMTC liability | 3.9 |  |  | 3.9 |
Asset retirement obligation | 3.6 |  |  | 3.6 |
CARES Act payroll tax liabilities | — |  |  | 3.6 |
Deferred development grant | 2.5 |  |  | 2.5 |
Other noncurrent liabilities | 3.5 |  |  | 3.4 |
Total noncurrent liabilities | $ | 55.4 |  |  | $ | 62.0 |

X
- Definition Supplemental Balance Sheet - Schedule of Liabilities + References No definition available. + Details
Name: | mwa_SupplementalBalanceSheetScheduleOfLiabilitiesTableTextBlock
Namespace Prefix: | mwa_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Supplemental Balance Sheet - Schedules of Assets + References No definition available. + Details
Name: | mwa_SupplementalBalanceSheetSchedulesOfAssetsTableTextBlock
Namespace Prefix: | mwa_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_StatementOfFinancialPositionAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration