LEASES - Lease Liabilities (Details) - USD ($) $ in Thousands	Dec. 27, 2020	Dec. 29, 2019
Leases [Abstract]
Accrued expenses and other current liabilities	$ 71,592	$ 66,239
Current maturities of long-term debt	420
Current maturities of long-term debt	1,244
Noncurrent operating lease liability, less current maturities	217,432	235,382
Total lease liabilities	289,024
Total lease liabilities	$ 1,664	$ 2,150
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:AccruedLiabilitiesCurrent	us-gaap:AccruedLiabilitiesCurrent
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:LongTermDebtCurrent
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	ppc:LongtermDebtExcludingCurrentMaturitiesNet