| Component: (Network and Table) | |
|---|---|
| Network | 2412408 - Disclosure - Pension Benefits (Schedule Of Change In Plan Assets) (Details) (http://www.lancastercolony.com/role/PensionBenefitsScheduleOfChangeInPlanAssetsDetails)  | 
| Table | Schedule of Defined Benefit Plans Disclosures [Table] | 
| Reporting Entity [Axis] | 0000057515 (http://www.sec.gov/CIK) | 
| Defined Benefit Plans and Other Postretirement Benefit Plans [Axis] | Pension Benefits [Member] | 
| Defined Benefit Plan Disclosure [Line Items] | Period [Axis] | |
|---|---|---|
2015-07-01 - 2016-06-30  | 2014-07-01 - 2015-06-30  | |
Fair value of plan assets at beginning of year  | 37,146,000    | 38,725,000    | 
Actual return on plan assets  | ||
Employer contributions  | ||
Benefits paid  | (2,258,000)   | (2,217,000)   | 
Fair value of plan assets at end of year  | 35,682,000    | 37,146,000    |