STEWART ENTERPRISES, INC.; S.E. CEMETERIES OF LOUISIANA, INC.; S.E. FUNERAL HOMES OF LOUISIANA, INC.; S.E. SOUTH-CENTRAL, INC.; LAKE LAWN PARK, INC.; LAKE LAWN METAIRIE FUNERAL HOME, individually and as a joint venture between Stewart Enterprises, Inc., and S.E. Funeral Homes of Louisiana, Inc.; STEWART RESOURCE CENTER, INC.; STEWART SERVICES, INC.; ACME MAUSOLEUM CORP., Plaintiffs-Appellants Cross-Appellees v. RSUI INDEMNITY COMPANY, INC., Defendant-Appellee Cross-Appellant