Derivative Financial Instruments - Additional Information (Detail) - USD ($)	1 Months Ended	3 Months Ended
	Mar. 31, 2015	Jul. 25, 2020	Jul. 27, 2019	Apr. 25, 2020	Mar. 25, 2015	Jan. 31, 2014
Derivative [Line Items]
Gains or losses recognized in OCI on cash flow hedging derivative		$ 0
Ineffectiveness recorded during period		0	$ 0
Increase (decrease) in interest expense		(1,363,000)
Interest Rate Cap
Derivative [Line Items]
Derivative, Notional Amount		525,000,000
New Interest Rate Cap
Derivative [Line Items]
Derivative, Notional Amount		100,000,000
Interest Rate Swap Agreement
Derivative [Line Items]
Settlement of swap	$ 29,003,000	2,828,000	122,000
Interest Rate Swap Agreement | 5.17% Senior Notes
Derivative [Line Items]
Percentage of senior notes						5.17%
Derivative, Notional Amount						$ 250,000,000
Interest Rate Swap Agreement | Senior Notes 3.48%
Derivative [Line Items]
Percentage of senior notes					3.48%
Aggregate principal amount					$ 250,000,000
Interest Rate Swap
Derivative [Line Items]
Increase (decrease) in interest expense		(340,000)	$ (725,000)
Derivative, Notional Amount		627,388,000		$ 634,029,000
Interest Rate Swap Two
Derivative [Line Items]
Derivative, Notional Amount		$ 62,072,000