Fair Value Measurements (Tables)

6 Months Ended

Jan. 31, 2018

Financial Assets and Liabilities Measured at Fair Value Related Valuation Inputs

The following table presents financial assets and liabilities measured at fair value and their related valuation inputs as of January 31, 2018 and July 31, 2017:

			Fair Value Measurements at Reporting Date Using (in thousands)
January 31, 2018	Total Fair Value of Asset or Liability		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Cash and cash equivalents (1)	$	118,223	$	118,223	$	—	$	—
Marketable securities		52,825		8,881		43,944		—
Total assets	$	171,048	$	127,104	$	43,944	$	—
July 31, 2017	Total Fair Value of Asset or Liability		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Cash and cash equivalents (1)	$	103,637	$	103,637	$	—	$	—
Marketable securities		57,087		12,109		44,978		—
Total assets	$	160,724	$	115,746	$	44,978	$	—

(1) Cash and cash equivalents as of January 31, 2018 and July 31, 2017 includes cash held in operating accounts of approximately $117.7 million and $103.5 million, respectively, that are not subject to fair value measurements. For purposes of this disclosure, they are included as having Level 1 inputs.