Commitments and Contingencies - Additional Information (Detail)	4 Months Ended
	Apr. 22, 2017 USD ($) Retailer
Loss Contingencies [Line Items]
Number of independent retailer for unearned advanced amount | Retailer	1
Percent of unearned advanced amount to total assets	2.00%
Outstanding receivable from customer	$ 8,900,000
Outstanding receivable from customer, past due	4,700,000
Minimum [Member]
Loss Contingencies [Line Items]
Estimated loss contingency	0
Maximum [Member]
Loss Contingencies [Line Items]
Estimated loss contingency	$ 25,000,000