Assets and liabilities measured at fair value (Detail) $ in Thousands	Feb. 02, 2018 USD ($)
Reported amount | Current portion of long-term debt obligations
Liabilities:
Long-term obligations	$ 401,345
Reported amount | Long-term obligations
Liabilities:
Long-term obligations	2,604,613
Reported amount | Accrued expenses and other current liabilities
Liabilities:
Deferred compensation	2,283
Reported amount | Noncurrent Other liabilities
Liabilities:
Deferred compensation	22,673
Fair value measurements on recurring basis | Balance at the end of the period
Liabilities:
Long-term obligations	3,065,351
Deferred compensation	24,956
Fair value measurements on recurring basis | Quoted Prices in Active Markets for Identical Assets and Liabilities (Level 1)
Liabilities:
Long-term obligations	2,440,495
Deferred compensation	24,956
Fair value measurements on recurring basis | Significant Other Observable Inputs (Level 2)
Liabilities:
Long-term obligations	$ 624,856