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Fair Value Measurements (Tables)
3 Months Ended
Apr. 30, 2021
Fair Value Disclosures [Abstract]  
Schedule of Fair Value Measurements
The following table presents the fair value hierarchy for the Company’s assets measured at fair value on a recurring basis as of April 30, 2021 (in thousands):
Level 1
Level 2
Total
Cash equivalents:
Money market funds$327,357 $— $327,357 
Commercial paper— 95,590 95,590 
Certificates of deposit— 36,001 36,001 
Corporate notes and bonds— 9,052 9,052 
Short-term investments:
Corporate notes and bonds— 1,433,994 1,433,994 
Commercial paper— 1,077,743 1,077,743 
U.S. government and agency securities— 541,910 541,910 
Certificates of deposit— 232,104 232,104 
Long-term investments:
Corporate notes and bonds— 1,038,240 1,038,240 
U.S. government and agency securities— 139,435 139,435 
Total
$327,357 $4,604,069 $4,931,426 
The following table presents the fair value hierarchy for the Company’s assets measured at fair value on a recurring basis as of January 31, 2021 (in thousands):
Level 1
Level 2
Total
Cash equivalents:
Money market funds$334,891 $— $334,891 
Commercial paper— 242,037 242,037 
Corporate notes and bonds— 58,970 58,970 
U.S. government securities— 23,700 23,700 
Certificates of deposit— 23,503 23,503 
Short-term investments:
Corporate notes and bonds— 1,318,573 1,318,573 
U.S. government and agency securities— 829,318 829,318 
Commercial paper— 711,372 711,372 
Certificates of deposit— 228,624 228,624 
Long-term investments:
Corporate notes and bonds— 968,580 968,580 
U.S. government and agency securities— 186,945 186,945 
Certificates of deposit— 9,750 9,750 
Total
$334,891 $4,601,372 $4,936,263 
Summary of Strategic Investments
Strategic investments, which are included in other assets on the condensed consolidated balance sheets, consisted of the following (in thousands):
April 30, 2021January 31, 2021
Privately-held equity securities$66,000 $41,000 
Privately-held debt securities$500 $500