Assets by Segment (Detail) - USD ($) $ in Thousands		Jul. 14, 2018	Dec. 30, 2017
Assets:
Total assets		$ 2,717,307	$ 2,659,724
Operating Segments | DSD Segment
Assets:
Total assets		2,296,462	2,270,179
Operating Segments | Warehouse Segment
Assets:
Total assets		303,263	296,157
Other
Assets:
Total assets	[1]	$ 117,582	$ 93,388

[1] Represents the company’s corporate head office assets, including primarily cash and cash equivalents and deferred taxes. Certain assets were reclassified from the unallocated corporate head office to the DSD Segment during the first quarter of our fiscal 2018.