Leases - Other Information Related to Leases (Detail) - USD ($) $ in Thousands	3 Months Ended
	May 04, 2019	May 05, 2018
Leases [Abstract]
Operating Lease, Payments	$ (31,780)	$ (23,026)
Operating cash flows from finance leases	(5,514)	(3,092)
Principal payments under finance leases	(2,129)	(1,776)
Total cash outflows from leases	(39,423)	(27,894)
Finance leases, Lease right-of-use assets obtained in exchange for lease obligations (non-cash)	17,984	5,023
Operating leases, Lease right-of-use assets obtained in exchange for lease obligations (non-cash)	$ 8,173	$ 4,666