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Contract Liabilities: Performance Obligations (Details)
Jun. 25, 2022
USD ($)
Future estimated revenue to be recognized related to performance obligations  
Revenue, remaining performance obligation $ 8,480,300
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-06-26  
Future estimated revenue to be recognized related to performance obligations  
Duration of expected recognition period for remaining performance obligation 6 months
Revenue, remaining performance obligation $ 804,700
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01  
Future estimated revenue to be recognized related to performance obligations  
Duration of expected recognition period for remaining performance obligation 1 year
Revenue, remaining performance obligation $ 1,546,500
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-12-31  
Future estimated revenue to be recognized related to performance obligations  
Duration of expected recognition period for remaining performance obligation 1 year
Revenue, remaining performance obligation $ 1,348,800
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-12-29  
Future estimated revenue to be recognized related to performance obligations  
Duration of expected recognition period for remaining performance obligation 1 year
Revenue, remaining performance obligation $ 1,132,400
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-12-28  
Future estimated revenue to be recognized related to performance obligations  
Duration of expected recognition period for remaining performance obligation 1 year
Revenue, remaining performance obligation $ 928,000
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-12-27  
Future estimated revenue to be recognized related to performance obligations  
Duration of expected recognition period for remaining performance obligation
Revenue, remaining performance obligation $ 2,719,900