| Cover | Feb. 24, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Feb. 24, 2021 |
| Entity File Number | 1-33794 |
| Entity Registrant Name | HILLENBRAND, INC. |
| Entity Central Index Key | 0001417398 |
| Entity Tax Identification Number | 26-1342272 |
| Entity Incorporation, State or Country Code | IN |
| Entity Address, Address Line One | One Batesville Boulevard |
| Entity Address, City or Town | Batesville |
| Entity Address, State or Province | IN |
| Entity Address, Postal Zip Code | 47006 |
| City Area Code | 812 |
| Local Phone Number | 934-7500 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, without par value |
| Trading Symbol | HI |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
