XML 42 R32.htm IDEA: XBRL DOCUMENT
v3.22.1

Business Combinations and Asset Acquisitions (Tables) | 6 Months Ended
--- | ---
Mar. 31, 2022
Acquistions [Abstract] |
Schedule of Business Acquisitions, by Acquisition [Table Text Block] | The following is a summary of the fair values of the net assets acquired (in millions):
Assets, net of cash: |
Receivables | $ | 0.5 |
Inventories | 0.6 |
Other current assets | 0.9 |
Identified intangible assets: |
Tradename | 1.8 |
Customer relationships | 2.1 |
Non-compete agreements | 0.1 |
Developed technology | 3.5 |
Goodwill | 12.1 |
Liabilities: |
Accounts payable | (0.8) |
Other current liabilities | (1.3) |
Fair value of net assets acquired, net of cash | $ | 19.5 |

X
- Definition Acquistions [Abstract] + References No definition available. + Details
Name: | mwa_AcquistionsAbstract
Namespace Prefix: | mwa_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of a material business combination completed during the period, including background, timing, and recognized assets and liabilities. This table does not include leveraged buyouts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1486-128463 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
Name: | us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration