Employee Benefit Plans (Tables)

3 Months Ended

Sep. 30, 2023

Retirement Benefits [Abstract]

Components of Stock-Based Compensation Expense

The following table represents pre-tax stock-based compensation expense for the three months ended September 30, 2023 and 2022, respectively:

	Three Months Ended
	September 30,
	2023		2022
Operating expenses	$	7.4	$	6.0
Selling, general and administrative expenses	42.8		37.1
Research and development	8.6		7.5
Total stock-based compensation expense	$	58.8	$	50.6

Changes in Stock Options Outstanding

Stock Options:

	Number of Options (in thousands)	Weighted Average Price (in dollars)
Options outstanding at July 1, 2023	2,654	$	155
Options exercised	(305)	$	148
Options forfeited/cancelled	(5)	$	176
Options outstanding at September 30, 2023	2,344	$	156

Time Based Restricted Shares and Units

Time-Based Restricted Stock and Time-Based Restricted Stock Units:

	Number of Shares (in thousands)	Number of Units (in thousands)
Restricted shares/units outstanding at July 1, 2023	450	730
Restricted shares/units granted	—	605
Restricted shares/units vested	(289)	(256)
Restricted shares/units forfeited	(4)	(8)
Restricted shares/units outstanding at September 30, 2023	157	1,071

Performance Based Restricted Shares and Units

Performance-Based Restricted Stock and Performance-Based Restricted Stock Units:

	Number of Shares (in thousands)	Number of Units (in thousands)
Restricted shares/units outstanding at July 1, 2023	197	821
Restricted shares/units granted	113	224
Restricted shares/units vested	(103)	(363)
Restricted shares/units forfeited	(3)	(3)
Restricted shares/units outstanding at September 30, 2023	204	679

Schedule of Net Benefit Costs

The components of net pension income were as follows:

	Three Months Ended
	September 30,
	2023		2022
Service cost – benefits earned during the period	$	1.3	$	1.2
Interest cost on projected benefits	21.2		19.5
Expected return on plan assets	(29.0)		(31.9)
Net amortization and deferral	0.7		0.5
Settlement charges and special termination benefits	—		1.4
Net pension (income)/expense	$	(5.8)	$	(9.3)