Other Liabilities - Summary of Other Liabilities (Detail) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 30, 2018
Other Liabilities Disclosure [Abstract]
Noncurrent portion of acquisition related contingent consideration	$ 361,669	$ 349,905
Accruals for executive benefit plans	131,266	126,103
Noncurrent deferred proceeds from Territory Conversion Fee	84,592	85,163
Noncurrent deferred proceeds from Legacy Facilities Credit	30,169	30,369
Other	12,597	17,595
Total other liabilities	$ 620,293	$ 609,135