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Leases - Schedule of Supplemental Balance Sheet Information Related to Leases (Detail) $ in Thousands | Oct. 05, 2019 USD ($)
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Operating leases: |
Operating lease assets | $ 272,591
Current portion of operating lease liabilities | 41,795
Noncurrent operating lease liabilities | 273,631
Total operating lease liabilities | 315,426
Finance leases: |
Property and equipment, at cost | 63,000
Accumulated amortization | (30,262)
Property and equipment, net | $ 32,738
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] | us-gaap:PropertyPlantAndEquipmentNet
Current portion of finance lease liabilities | $ 5,135
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List] | sptn:LongTermDebtAndFinanceLeaseLiabilityCurrent
Noncurrent finance lease liabilities | $ 32,422
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] | sptn:LongTermDebtAndFinanceLeaseLiabilityNoncurrent
Total finance lease liabilities | $ 37,557
Weighted average remaining lease term: |
Operating leases | 9 years
Finance leases | 10 years 2 months 12 days
Weighted average discount rate: |
Operating leases | 5.70%
Finance leases | 8.20%

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