| | | | | | | | | | | | | | | | | | | | | |
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| <context id="id75d31391bf047aa927eae6f52ee43d0_D20220809-20220809"> |
| | <entity> |
| | | <identifier scheme="http://www.sec.gov/CIK"> 0001530950 </identifier> |
| | | </entity> |
| | <period> |
| | | <startDate> 2022-08-09 </startDate> |
| | | <endDate> 2022-08-09 </endDate> |
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| <dei:EntityRegistrantName contextRef="id75d31391bf047aa927eae6f52ee43d0_D20220809-20220809" id="id3VybDovL2RvY3MudjEvZG9jOjY3YzYyNjQ4YTljOTQzOGNiMzY1ZTE5YzU0NzQ3OTY5L3NlYzo2N2M2MjY0OGE5Yzk0MzhjYjM2NWUxOWM1NDc0Nzk2OV8xL2ZyYWc6MzM0YjBmOWZiNWFhNDYwMzkyZTU4YmQ2YmE2MjdkY2QvdGV4dHJlZ2lvbjozMzRiMGY5ZmI1YWE0NjAzOTJlNThiZDZiYTYyN2RjZF8xNTYx_c86a1fbd-9d2d-44a8-bf10-ae46788a8c95"> Post Holdings, Inc. </dei:EntityRegistrantName> |
| <dei:EntityIncorporationStateCountryCode contextRef="id75d31391bf047aa927eae6f52ee43d0_D20220809-20220809" id="id3VybDovL2RvY3MudjEvZG9jOjY3YzYyNjQ4YTljOTQzOGNiMzY1ZTE5YzU0NzQ3OTY5L3NlYzo2N2M2MjY0OGE5Yzk0MzhjYjM2NWUxOWM1NDc0Nzk2OV8xL2ZyYWc6MzM0YjBmOWZiNWFhNDYwMzkyZTU4YmQ2YmE2MjdkY2QvdGFibGU6ZDYzOTg0YjJkN2RlNDIwNWE4OTc4NDc4NTQ2ZmNjYWQvdGFibGVyYW5nZTpkNjM5ODRiMmQ3ZGU0MjA1YTg5Nzg0Nzg1NDZmY2NhZF8wLTAtMS0xLTE1Njg4NQ_d50c2ce5-b163-4012-af7c-125db6c673a1"> MO </dei:EntityIncorporationStateCountryCode> |
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| <dei:EntityTaxIdentificationNumber contextRef="id75d31391bf047aa927eae6f52ee43d0_D20220809-20220809" id="id3VybDovL2RvY3MudjEvZG9jOjY3YzYyNjQ4YTljOTQzOGNiMzY1ZTE5YzU0NzQ3OTY5L3NlYzo2N2M2MjY0OGE5Yzk0MzhjYjM2NWUxOWM1NDc0Nzk2OV8xL2ZyYWc6MzM0YjBmOWZiNWFhNDYwMzkyZTU4YmQ2YmE2MjdkY2QvdGFibGU6ZDYzOTg0YjJkN2RlNDIwNWE4OTc4NDc4NTQ2ZmNjYWQvdGFibGVyYW5nZTpkNjM5ODRiMmQ3ZGU0MjA1YTg5Nzg0Nzg1NDZmY2NhZF8wLTMtMS0xLTE1Njg4NQ_0e3fc4a8-c172-410d-927c-4a7188c04a3a"> 45-3355106 </dei:EntityTaxIdentificationNumber> |
| <dei:EntityAddressAddressLine1 contextRef="id75d31391bf047aa927eae6f52ee43d0_D20220809-20220809" id="id3VybDovL2RvY3MudjEvZG9jOjY3YzYyNjQ4YTljOTQzOGNiMzY1ZTE5YzU0NzQ3OTY5L3NlYzo2N2M2MjY0OGE5Yzk0MzhjYjM2NWUxOWM1NDc0Nzk2OV8xL2ZyYWc6MzM0YjBmOWZiNWFhNDYwMzkyZTU4YmQ2YmE2MjdkY2QvdGFibGU6ZDYzOTg0YjJkN2RlNDIwNWE4OTc4NDc4NTQ2ZmNjYWQvdGFibGVyYW5nZTpkNjM5ODRiMmQ3ZGU0MjA1YTg5Nzg0Nzg1NDZmY2NhZF8zLTAtMS0xLTE1Njg4NQ_91314026-0aa7-441f-bf12-cf51f446154c"> 2503 S. Hanley Road </dei:EntityAddressAddressLine1> |
| <dei:EntityAddressCityOrTown contextRef="id75d31391bf047aa927eae6f52ee43d0_D20220809-20220809" id="id3VybDovL2RvY3MudjEvZG9jOjY3YzYyNjQ4YTljOTQzOGNiMzY1ZTE5YzU0NzQ3OTY5L3NlYzo2N2M2MjY0OGE5Yzk0MzhjYjM2NWUxOWM1NDc0Nzk2OV8xL2ZyYWc6MzM0YjBmOWZiNWFhNDYwMzkyZTU4YmQ2YmE2MjdkY2QvdGFibGU6ZDYzOTg0YjJkN2RlNDIwNWE4OTc4NDc4NTQ2ZmNjYWQvdGFibGVyYW5nZTpkNjM5ODRiMmQ3ZGU0MjA1YTg5Nzg0Nzg1NDZmY2NhZF8zLTEtMS0xLTE1Njg4NQ_92048753-71f1-460a-b1b7-cbd93cd764e8"> St. Louis </dei:EntityAddressCityOrTown> |
| <dei:EntityAddressStateOrProvince contextRef="id75d31391bf047aa927eae6f52ee43d0_D20220809-20220809" id="id3VybDovL2RvY3MudjEvZG9jOjY3YzYyNjQ4YTljOTQzOGNiMzY1ZTE5YzU0NzQ3OTY5L3NlYzo2N2M2MjY0OGE5Yzk0MzhjYjM2NWUxOWM1NDc0Nzk2OV8xL2ZyYWc6MzM0YjBmOWZiNWFhNDYwMzkyZTU4YmQ2YmE2MjdkY2QvdGFibGU6ZDYzOTg0YjJkN2RlNDIwNWE4OTc4NDc4NTQ2ZmNjYWQvdGFibGVyYW5nZTpkNjM5ODRiMmQ3ZGU0MjA1YTg5Nzg0Nzg1NDZmY2NhZF8zLTItMS0xLTE1Njg4NQ_35955c89-54d6-4456-8914-6ad47e872220"> MO </dei:EntityAddressStateOrProvince> |
| <dei:EntityAddressPostalZipCode contextRef="id75d31391bf047aa927eae6f52ee43d0_D20220809-20220809" id="id3VybDovL2RvY3MudjEvZG9jOjY3YzYyNjQ4YTljOTQzOGNiMzY1ZTE5YzU0NzQ3OTY5L3NlYzo2N2M2MjY0OGE5Yzk0MzhjYjM2NWUxOWM1NDc0Nzk2OV8xL2ZyYWc6MzM0YjBmOWZiNWFhNDYwMzkyZTU4YmQ2YmE2MjdkY2QvdGFibGU6ZDYzOTg0YjJkN2RlNDIwNWE4OTc4NDc4NTQ2ZmNjYWQvdGFibGVyYW5nZTpkNjM5ODRiMmQ3ZGU0MjA1YTg5Nzg0Nzg1NDZmY2NhZF8zLTMtMS0xLTE1Njg4NQ_300c3de9-6c02-4eb9-b2df-2f3c81bfa204"> 63144 </dei:EntityAddressPostalZipCode> |
| <dei:CityAreaCode contextRef="id75d31391bf047aa927eae6f52ee43d0_D20220809-20220809" id="id3VybDovL2RvY3MudjEvZG9jOjY3YzYyNjQ4YTljOTQzOGNiMzY1ZTE5YzU0NzQ3OTY5L3NlYzo2N2M2MjY0OGE5Yzk0MzhjYjM2NWUxOWM1NDc0Nzk2OV8xL2ZyYWc6MzM0YjBmOWZiNWFhNDYwMzkyZTU4YmQ2YmE2MjdkY2QvdGV4dHJlZ2lvbjozMzRiMGY5ZmI1YWE0NjAzOTJlNThiZDZiYTYyN2RjZF8xNTU4_431a68b8-0010-4f76-a734-d5e93f1d48d1"> 314 </dei:CityAreaCode> |
| <dei:LocalPhoneNumber contextRef="id75d31391bf047aa927eae6f52ee43d0_D20220809-20220809" id="id3VybDovL2RvY3MudjEvZG9jOjY3YzYyNjQ4YTljOTQzOGNiMzY1ZTE5YzU0NzQ3OTY5L3NlYzo2N2M2MjY0OGE5Yzk0MzhjYjM2NWUxOWM1NDc0Nzk2OV8xL2ZyYWc6MzM0YjBmOWZiNWFhNDYwMzkyZTU4YmQ2YmE2MjdkY2QvdGV4dHJlZ2lvbjozMzRiMGY5ZmI1YWE0NjAzOTJlNThiZDZiYTYyN2RjZF8xNTYy_e7301c0f-f43c-4fa5-b6e7-08db27cae03c"> 644-7600 </dei:LocalPhoneNumber> |
| <dei:WrittenCommunications contextRef="id75d31391bf047aa927eae6f52ee43d0_D20220809-20220809" id="id3VybDovL2RvY3MudjEvZG9jOjY3YzYyNjQ4YTljOTQzOGNiMzY1ZTE5YzU0NzQ3OTY5L3NlYzo2N2M2MjY0OGE5Yzk0MzhjYjM2NWUxOWM1NDc0Nzk2OV8xL2ZyYWc6MzM0YjBmOWZiNWFhNDYwMzkyZTU4YmQ2YmE2MjdkY2QvdGV4dHJlZ2lvbjozMzRiMGY5ZmI1YWE0NjAzOTJlNThiZDZiYTYyN2RjZF8xNTU5_3532fa9b-3759-455c-847a-17e6ef819da7"> false </dei:WrittenCommunications> |
| <dei:SolicitingMaterial contextRef="id75d31391bf047aa927eae6f52ee43d0_D20220809-20220809" id="id3VybDovL2RvY3MudjEvZG9jOjY3YzYyNjQ4YTljOTQzOGNiMzY1ZTE5YzU0NzQ3OTY5L3NlYzo2N2M2MjY0OGE5Yzk0MzhjYjM2NWUxOWM1NDc0Nzk2OV8xL2ZyYWc6MzM0YjBmOWZiNWFhNDYwMzkyZTU4YmQ2YmE2MjdkY2QvdGV4dHJlZ2lvbjozMzRiMGY5ZmI1YWE0NjAzOTJlNThiZDZiYTYyN2RjZF8xNTU0_71f9c89c-9db4-4090-afb9-3243fb0158a6"> false </dei:SolicitingMaterial> |
| <dei:PreCommencementTenderOffer contextRef="id75d31391bf047aa927eae6f52ee43d0_D20220809-20220809" id="id3VybDovL2RvY3MudjEvZG9jOjY3YzYyNjQ4YTljOTQzOGNiMzY1ZTE5YzU0NzQ3OTY5L3NlYzo2N2M2MjY0OGE5Yzk0MzhjYjM2NWUxOWM1NDc0Nzk2OV8xL2ZyYWc6MzM0YjBmOWZiNWFhNDYwMzkyZTU4YmQ2YmE2MjdkY2QvdGV4dHJlZ2lvbjozMzRiMGY5ZmI1YWE0NjAzOTJlNThiZDZiYTYyN2RjZF8xNTYw_9fe62f75-d8cb-4c49-8f05-d0c8cff2afa3"> false </dei:PreCommencementTenderOffer> |
| <dei:PreCommencementIssuerTenderOffer contextRef="id75d31391bf047aa927eae6f52ee43d0_D20220809-20220809" id="id3VybDovL2RvY3MudjEvZG9jOjY3YzYyNjQ4YTljOTQzOGNiMzY1ZTE5YzU0NzQ3OTY5L3NlYzo2N2M2MjY0OGE5Yzk0MzhjYjM2NWUxOWM1NDc0Nzk2OV8xL2ZyYWc6MzM0YjBmOWZiNWFhNDYwMzkyZTU4YmQ2YmE2MjdkY2QvdGV4dHJlZ2lvbjozMzRiMGY5ZmI1YWE0NjAzOTJlNThiZDZiYTYyN2RjZF8xNTU1_1973bb81-b09f-468a-b81e-6a8c172bb3bb"> false </dei:PreCommencementIssuerTenderOffer> |
| <dei:Security12bTitle contextRef="id75d31391bf047aa927eae6f52ee43d0_D20220809-20220809" id="id3VybDovL2RvY3MudjEvZG9jOjY3YzYyNjQ4YTljOTQzOGNiMzY1ZTE5YzU0NzQ3OTY5L3NlYzo2N2M2MjY0OGE5Yzk0MzhjYjM2NWUxOWM1NDc0Nzk2OV8xL2ZyYWc6MzM0YjBmOWZiNWFhNDYwMzkyZTU4YmQ2YmE2MjdkY2QvdGFibGU6MThlZTQ4ZTllMDNhNDdhMzkxNGI3OGQzZmU4MzliMTMvdGFibGVyYW5nZToxOGVlNDhlOWUwM2E0N2EzOTE0Yjc4ZDNmZTgzOWIxM18xLTAtMS0xLTE1Njg4NQ_ae0022d8-0f44-4bcc-a3b6-7c783ae77e63"> Common Stock, $0.01 par value per share </dei:Security12bTitle> |
| <dei:TradingSymbol contextRef="id75d31391bf047aa927eae6f52ee43d0_D20220809-20220809" id="id3VybDovL2RvY3MudjEvZG9jOjY3YzYyNjQ4YTljOTQzOGNiMzY1ZTE5YzU0NzQ3OTY5L3NlYzo2N2M2MjY0OGE5Yzk0MzhjYjM2NWUxOWM1NDc0Nzk2OV8xL2ZyYWc6MzM0YjBmOWZiNWFhNDYwMzkyZTU4YmQ2YmE2MjdkY2QvdGFibGU6MThlZTQ4ZTllMDNhNDdhMzkxNGI3OGQzZmU4MzliMTMvdGFibGVyYW5nZToxOGVlNDhlOWUwM2E0N2EzOTE0Yjc4ZDNmZTgzOWIxM18xLTEtMS0xLTE1Njg4NQ_9d2a7fba-b9e5-437f-b3ab-3c1bfea59b22"> POST </dei:TradingSymbol> |
| <dei:SecurityExchangeName contextRef="id75d31391bf047aa927eae6f52ee43d0_D20220809-20220809" id="id3VybDovL2RvY3MudjEvZG9jOjY3YzYyNjQ4YTljOTQzOGNiMzY1ZTE5YzU0NzQ3OTY5L3NlYzo2N2M2MjY0OGE5Yzk0MzhjYjM2NWUxOWM1NDc0Nzk2OV8xL2ZyYWc6MzM0YjBmOWZiNWFhNDYwMzkyZTU4YmQ2YmE2MjdkY2QvdGFibGU6MThlZTQ4ZTllMDNhNDdhMzkxNGI3OGQzZmU4MzliMTMvdGFibGVyYW5nZToxOGVlNDhlOWUwM2E0N2EzOTE0Yjc4ZDNmZTgzOWIxM18xLTItMS0xLTE1Njg4NQ_019561a8-1336-4592-b826-d65de36dd2a8"> NYSE </dei:SecurityExchangeName> |
| <dei:EntityEmergingGrowthCompany contextRef="id75d31391bf047aa927eae6f52ee43d0_D20220809-20220809" id="id3VybDovL2RvY3MudjEvZG9jOjY3YzYyNjQ4YTljOTQzOGNiMzY1ZTE5YzU0NzQ3OTY5L3NlYzo2N2M2MjY0OGE5Yzk0MzhjYjM2NWUxOWM1NDc0Nzk2OV8xL2ZyYWc6MzM0YjBmOWZiNWFhNDYwMzkyZTU4YmQ2YmE2MjdkY2QvdGV4dHJlZ2lvbjozMzRiMGY5ZmI1YWE0NjAzOTJlNThiZDZiYTYyN2RjZF8xNTU2_23dc2388-1908-4c0e-ae4a-f21720740307"> false </dei:EntityEmergingGrowthCompany> |
| </xbrl> |