November 30, 2019

Quoted

Significant

prices in

other

Significant

Carrying

active

observable

unobservable

value

markets

inputs

inputs

In millions

(Fair value)

(Level 1)

(Level 2)

(Level 3)

Assets:

Restricted and unrestricted cash equivalents:

Commercial paper

$

66.2

$

—

$

66.2

$

—

U.S. government agency securities

422.0

—

422.0

—

Money market securities

52.6

52.6

—

—

Total restricted and unrestricted cash equivalents

$

540.8

$

52.6

$

488.2

$

—

Available-for-sale securities:

Asset-backed securities

$

52.2

$

—

$

52.2

$

—

Corporate bonds

695.9

—

695.9

—

General obligation municipal bonds

745.3

—

745.3

—

Pre-refunded municipal bonds

23.4

—

23.4

—

Revenue municipal bonds

497.6

—

497.6

—

U.S. government agency and treasury securities

970.2

—

970.2

—

Variable rate demand notes

7.5

—

7.5

—

Total available-for-sale securities

$

2,992.1

$

—

$

2,992.1

$

—

Other

$

30.5

$

30.5

$

—

$

—

Liabilities:

Other long-term liabilities

$

30.3

$

30.3

$

—

$

—

May 31, 2019

Quoted

Significant

prices in

other

Significant

Carrying

active

observable

unobservable

value

markets

inputs

inputs

In millions

(Fair value)

(Level 1)

(Level 2)

(Level 3)

Assets:

Restricted and unrestricted cash equivalents:

Commercial paper

$

10.0

$

—

$

10.0

$

—

Money market securities

29.2

29.2

—

—

Total restricted and unrestricted cash equivalents

$

39.2

$

29.2

$

10.0

$

—

Available-for-sale securities:

Asset-backed securities

$

5.3

$

—

$

5.3

$

—

Corporate bonds

446.5

—

446.5

—

General obligation municipal bonds

847.8

—

847.8

—

Pre-refunded municipal bonds

25.8

—

25.8

—

Revenue municipal bonds

549.9

—

549.9

—

U.S. government agency and treasury securities

615.9

—

615.9

—

Variable rate demand notes

1,129.6

—

1,129.6

—

Total available-for-sale securities

$

3,620.8

$

—

$

3,620.8

$

—

Other

$

27.7

$

27.7

$

—

$

—

Liabilities:

Other long-term liabilities

$

27.0

$

27.0

$

—

$

—