Fair Value Measurements - Balance Sheet Items (Details) - USD ($) $ in Thousands	Aug. 04, 2018	Feb. 03, 2018	Jul. 29, 2017
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	$ 1,386,935	$ 1,290,294	$ 1,150,932
Restricted cash and cash equivalents	62,596	62,978	64,838
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	709	1,224	1,259
Restricted investments	$ 2,812	$ 2,838	$ 3,577