Components of Other Accrued Liabilities (Detail) - USD ($) $ in Thousands	Apr. 20, 2019	Dec. 29, 2018
Other Liabilities Disclosure [Abstract]
Employee compensation	$ 23,286	$ 19,469
VSIP liabilities	174	174
Employee vacation	25,731	23,345
Employee bonus	10,922	7,931
Fair value of derivative instruments	20,570	7,732
Self-insurance reserves	31,829	29,353
Bank overdraft	9,762	10,550
Accrued interest	2,049	8,152
Accrued income taxes	4,232
Accrued other taxes	9,343	5,661
Accrued advertising	6,463	3,145
Accrued legal settlements	25,812	9,053
Accrued legal costs	4,063	3,874
Contingent acquisition consideration	4,792	4,700
Accrued short-term deferred income	5,708	5,525
Other	7,593	8,695
Total	$ 192,329	$ 147,359