Assets and liabilities measured at fair value (Detail) $ in Thousands	Nov. 02, 2018 USD ($)
Reported amount | Current portion of long-term debt obligations
Liabilities:
Long-term obligations	$ 1,929
Reported amount | Long-term obligations
Liabilities:
Long-term obligations	2,902,439
Reported amount | Accrued expenses and other current liabilities
Liabilities:
Deferred compensation	2,639
Reported amount | Noncurrent Other liabilities
Liabilities:
Deferred compensation	22,395
Fair value measurements on recurring basis | Balance at the end of the period
Liabilities:
Long-term obligations	2,843,405
Deferred compensation	25,034
Fair value measurements on recurring basis | Quoted Prices in Active Markets for Identical Assets and Liabilities (Level 1)
Liabilities:
Long-term obligations	2,418,724
Deferred compensation	25,034
Fair value measurements on recurring basis | Significant Other Observable Inputs (Level 2)
Liabilities:
Long-term obligations	$ 424,681