Fair Value Measurements - Schedule of Fair Value Assets and Liabilities Measured on Recurring Basis (Detail) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 30, 2017
Liabilities
Contingent consideration payable for business acquisition	$ 6,000
Recurring Fair Value Measurements [Member]
Assets
Money market funds		$ 1,100
Interest rate swaps	24,841	12,717
Total assets		13,817
Liabilities
Contingent consideration payable for business acquisition	500	1,000
Recurring Fair Value Measurements [Member] | Level 1 [Member]
Assets
Money market funds		1,100
Total assets		1,100
Recurring Fair Value Measurements [Member] | Level 2 [Member]
Assets
Interest rate swaps	24,841	12,717
Total assets		12,717
Recurring Fair Value Measurements [Member] | Level 3 [Member]
Liabilities
Contingent consideration payable for business acquisition	$ 500	$ 1,000