Components of Other Accrued Liabilities (Detail) - USD ($)	Dec. 30, 2017	Oct. 07, 2017	Dec. 31, 2016
Other Liabilities Disclosure [Abstract]
Employee compensation	$ 15,276,000		$ 21,155,000
VSIP liabilities	25,022,000
Employee vacation	22,638,000		23,778,000
Employee bonus	29,369,000		17,603,000
Fair value of derivative instruments	10,247,000		2,435,000
Insurance	30,052,000		28,043,000
Bank overdraft	5,699,000		19,905,000
Accrued interest	7,711,000		7,872,000
Accrued taxes	10,943,000		6,633,000
Accrued legal settlements	6,928,000		10,250,000
Multi-employer pension plan withdrawal costs	15,223,000	$ 15,200,000
Other	21,360,000		18,358,000
Total	$ 200,468,000		$ 156,032,000