May 31, 2024

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:

U.S. government agency and treasury securities

$

386.4

$

—

$

386.4

$

—

Money market securities

31.4

31.4

—

—

Total restricted and unrestricted cash equivalents

$

417.8

$

31.4

$

386.4

$

—

AFS securities:

Asset-backed securities

$

134.7

$

—

$

134.7

$

—

Corporate bonds

1,368.8

—

1,368.8

—

Municipal bonds

973.4

—

973.4

—

U.S. government agency and treasury securities

852.7

—

852.7

—

VRDNs

—

—

—

—

Total AFS securities

$

3,329.6

$

—

$

3,329.6

$

—

Other

$

33.9

$

33.9

$

—

$

—

Liabilities:

Other long-term liabilities

$

33.9

$

33.9

$

—

$

—

May 31, 2023

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:

Money market securities

$

43.8

$

43.8

$

—

$

—

Total restricted and unrestricted cash equivalents

$

43.8

$

43.8

$

—

$

—

AFS securities:

Asset-backed securities

$

86.7

$

—

$

86.7

$

—

Corporate bonds

1,440.9

—

1,440.9

—

Municipal bonds

986.1

—

986.1

—

U.S. government agency and treasury securities

746.8

—

746.8

—

VRDNs

344.1

—

344.1

—

Total AFS securities

$

3,604.6

$

—

$

3,604.6

$

—

Other

$

28.3

$

28.3

$

—

$

—

Liabilities:

Other long-term liabilities

$

28.3

$

28.3

$

—

$

—