Distribution Agreements, Net - Reconciliation of Activity for Other Identifiable Intangible Assets Net (Detail) - Distribution Agreements [Member] - USD ($) $ in Thousands		12 Months Ended
		Dec. 29, 2019	Dec. 30, 2018
Finite Lived Intangible Assets [Line Items]
Total Other Identifiable Intangible Assets, Beginning Balance		$ 900,383	$ 913,352
Other distribution agreements		(10)	6,332
Measurement period adjustment	[1]		4,700
Additional accumulated amortization		(24,277)	(24,001)
Total Other Identifiable Intangible Assets, Ending Balance		$ 876,096	$ 900,383

[1] Measurement period adjustments relate to post-closing adjustments made in accordance with the terms and conditions of the applicable asset purchase agreement or asset exchange agreement for distribution territories acquired or exchanged by the Company in October 2017 as part of the System Transformation. All final post-closing adjustments for these transactions were completed during 2018. The adjustments to amortization expense associated with these measurement period adjustments were not material to the consolidated financial statements.