Commitments and Contingencies - Future Minimum Rental Payments under Leases (Detail) - USD ($) $ in Thousands	Jan. 28, 2017	Jan. 30, 2016
Commitments And Contingencies Disclosure [Abstract]
2017, Capital Leases	$ 1,216
2018, Capital Leases	1,140
2019, Capital Leases	1,159
2020, Capital Leases	1,199
2021, Capital Leases	1,219
Thereafter, Capital Leases	9,155
Minimum lease commitments, Capital Leases	15,088
Less—amount representing interest	(7,579)
Present value of capital lease obligations	7,509
Less—current capital lease obligations	(267)
Non-current capital lease obligations	7,242	$ 7,399
2017, Operating Leases	89,776
2018, Operating Leases	81,534
2019, Operating Leases	71,154
2020, Operating Leases	61,834
2021, Operating Leases	52,660
Thereafter, Operating Leases	326,333
Minimum lease commitments, Operating Leases	683,291
2017, Build-to-Suit	31,971
2018, Build-to-Suit	36,634
2019, Build-to-Suit	40,119
2020, Build-to-Suit	40,776
2021, Build-to-Suit	42,014
Thereafter, Build-to-Suit	605,868
Minimum lease commitments, Build-to-Suit	797,382
2017, Total	122,963
2018, Total	119,308
2019, Total	112,432
2020, Total	103,809
2021, Total	95,893
Thereafter, Total	941,356
Minimum lease commitments, Total	$ 1,495,761