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Fair Value (Tables)
9 Months Ended
Mar. 31, 2019
Fair Value Disclosures [Abstract]  
Financial Assets Measured at Fair Value on a Recurring Basis

Financial assets measured at fair value on a recurring basis by level within the fair value hierarchy, consisted of the following (in millions):

 

 

 

March 31,

 

 

June 30,

 

 

 

2019

 

 

2018

 

 

 

Level 1

 

 

Level 2

 

 

Level 3

 

 

Level 1

 

 

Level 2

 

 

Level 3

 

Assets:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Money market funds

 

$

309.5

 

 

$

-

 

 

$

-

 

 

$

275.2

 

 

$

-

 

 

$

-

 

Auction rate securities

 

 

-

 

 

 

-

 

 

 

-

 

 

 

-

 

 

 

-

 

 

 

1.5

 

Total available-for-sale securities

 

$

309.5

 

 

$

-

 

 

$

-

 

 

$

275.2

 

 

$

-

 

 

$

1.5