Schedule of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 30, 2017	Dec. 31, 2016
Income Tax Disclosure [Line Items]
Receivable valuations	$ 3,244	$ 4,518
Share-based payments	2,182	1,185
Self-insured claims	4,688	6,270
Other	3,666	4,336
Total deferred tax assets	13,780	16,309
Operating property	43,105	59,720
Goodwill	3,773	5,883
Other	2,016	2,851
Total deferred tax liabilities	48,894	68,454
Net deferred tax liability	$ 35,114	$ 52,145